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145150501 = 301948079
BaseRepresentation
bin10001010011011…
…01001000100101
3101010010102001111
420221231020211
5244124304001
622223025021
73411521206
oct1051551045
9333112044
10145150501
1174a2a7a1
124073b171
13240c1792
14153c55ad
15cb22851
hex8a6d225

145150501 has 4 divisors (see below), whose sum is σ = 145201600. Its totient is φ = 145099404.

The previous prime is 145150427. The next prime is 145150513. The reversal of 145150501 is 105051541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145150501 - 211 = 145148453 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 (145150601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21021 + ... + 27058.

It is an arithmetic number, because the mean of its divisors is an integer number (36300400).

Almost surely, 2145150501 is an apocalyptic number.

It is an amenable number.

145150501 is a deficient number, since it is larger than the sum of its proper divisors (51099).

145150501 is an equidigital number, since it uses as much as digits as its factorization.

145150501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51098.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 145150501 is about 12047.8421719410. The cubic root of 145150501 is about 525.5404876701.

It can be divided in two parts, 14 and 5150501, that added together give a palindrome (5150515).

The spelling of 145150501 in words is "one hundred forty-five million, one hundred fifty thousand, five hundred one".

Divisors: 1 3019 48079 145150501