145510631 has 8 divisors (see below), whose sum is σ = 167608320. Its totient is φ = 123740568.

The previous prime is 145510619. The next prime is 145510643. The reversal of 145510631 is 136015541.

It is an interprime number because it is at equal distance from previous prime (145510619) and next prime (145510643).

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

It is not a de Polignac number, because 145510631 - 2⁶ = 145510567 is a prime.

It is a super-2 number, since 2×145510631² = 42346687468036322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145510631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145510601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80951 + ... + 82728.

It is an arithmetic number, because the mean of its divisors is an integer number (20951040).

Almost surely, 2^145510631 is an apocalyptic number.

145510631 is a deficient number, since it is larger than the sum of its proper divisors (22097689).

145510631 is a wasteful number, since it uses less digits than its factorization.

145510631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163813.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 145510631 is about 12062.7787428934. The cubic root of 145510631 is about 525.9747647008.

The spelling of 145510631 in words is "one hundred forty-five million, five hundred ten thousand, six hundred thirty-one".