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145501134023 = 747442252687
BaseRepresentation
bin1000011110000010001…
…0110001110011000111
3111220120020001102221202
42013200202301303013
54340441242242043
6150501534133115
713340440142630
oct2074042616307
9456506042852
10145501134023
11567856625a3
122424805119b
131094a4b1b9b
14708409c887
153bb8b671b8
hex21e08b1cc7

145501134023 has 8 divisors (see below), whose sum is σ = 169825032192. Its totient is φ = 122061741336.

The previous prime is 145501133983. The next prime is 145501134041. The reversal of 145501134023 is 320431105541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145501134023 - 220 = 145500085447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145501133023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221126015 + ... + 221126672.

It is an arithmetic number, because the mean of its divisors is an integer number (21228129024).

Almost surely, 2145501134023 is an apocalyptic number.

145501134023 is a deficient number, since it is larger than the sum of its proper divisors (24323898169).

145501134023 is an equidigital number, since it uses as much as digits as its factorization.

145501134023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442252741.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 145501134023 its reverse (320431105541), we get a palindrome (465932239564).

The spelling of 145501134023 in words is "one hundred forty-five billion, five hundred one million, one hundred thirty-four thousand, twenty-three".

Divisors: 1 7 47 329 442252687 3095768809 20785876289 145501134023