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145035201021 = 3173837519887
BaseRepresentation
bin1000011100010011000…
…1011000100111111101
3111212100202022121000220
42013010301120213331
54334013002413041
6150343411411553
713323051603444
oct2070461304775
9455322277026
10145035201021
11565666541a7
1224137bb3bb9
13108a4ac6c99
14703c253d5b
153b8ccccd66
hex21c4c589fd

145035201021 has 32 divisors (see below), whose sum is σ = 205584334848. Its totient is φ = 90634848000.

The previous prime is 145035200971. The next prime is 145035201023. The reversal of 145035201021 is 120102530541.

It is a happy number.

145035201021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145035201021 - 26 = 145035200957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145035200982 and 145035201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145035201023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14664340 + ... + 14674226.

It is an arithmetic number, because the mean of its divisors is an integer number (6424510464).

Almost surely, 2145035201021 is an apocalyptic number.

It is an amenable number.

145035201021 is a deficient number, since it is larger than the sum of its proper divisors (60549133827).

145035201021 is a wasteful number, since it uses less digits than its factorization.

145035201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 145035201021 its reverse (120102530541), we get a palindrome (265137731562).

The spelling of 145035201021 in words is "one hundred forty-five billion, thirty-five million, two hundred one thousand, twenty-one".

Divisors: 1 3 17 51 383 751 1149 2253 6511 9887 12767 19533 29661 38301 168079 287633 504237 862899 3786721 4889761 7425137 11360163 14669283 22275411 64374257 126227329 193122771 378681987 2843827471 8531482413 48345067007 145035201021