45031512 has 32 divisors (see below), whose sum is σ = 113446080. Its totient is φ = 14894880.

The previous prime is 45031507. The next prime is 45031529. The reversal of 45031512 is 21513054.

It is a super-2 number, since 2×45031512² = 4055674146012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (3545190).

Almost surely, 2^45031512 is an apocalyptic number.

It is an amenable number.

45031512 is an abundant number, since it is smaller than the sum of its proper divisors (68414568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45031512 is a wasteful number, since it uses less digits than its factorization.

45031512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14463 (or 14459 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45031512 is about 6710.5522872562. The cubic root of 45031512 is about 355.7723368704.

Adding to 45031512 its reverse (21513054), we get a palindrome (66544566).

The spelling of 45031512 in words is "forty-five million, thirty-one thousand, five hundred twelve".