45275631 has 8 divisors (see below), whose sum is σ = 60609024. Its totient is φ = 30063000.

The previous prime is 45275609. The next prime is 45275647. The reversal of 45275631 is 13657254.

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

It is not a de Polignac number, because 45275631 - 2¹⁸ = 45013487 is a prime.

It is a super-2 number, since 2×45275631² = 4099765524896322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45275592 and 45275601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45275731) 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, 29311 + ... + 30816.

It is an arithmetic number, because the mean of its divisors is an integer number (7576128).

Almost surely, 2^45275631 is an apocalyptic number.

45275631 is a deficient number, since it is larger than the sum of its proper divisors (15333393).

45275631 is a wasteful number, since it uses less digits than its factorization.

45275631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60381.

The product of its digits is 25200, while the sum is 33.

The square root of 45275631 is about 6728.7168910573. The cubic root of 45275631 is about 356.4140676111.

The spelling of 45275631 in words is "forty-five million, two hundred seventy-five thousand, six hundred thirty-one".