45031012 has 24 divisors (see below), whose sum is σ = 85064000. Its totient is φ = 20735136.

The previous prime is 45031009. The next prime is 45031013. The reversal of 45031012 is 21013054.

It is not an unprimeable number, because it can be changed into a prime (45031013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31489 + ... + 32887.

Almost surely, 2^45031012 is an apocalyptic number.

It is an amenable number.

45031012 is a deficient number, since it is larger than the sum of its proper divisors (40032988).

45031012 is a wasteful number, since it uses less digits than its factorization.

45031012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035 (or 2033 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 45031012 is about 6710.5150323951. The cubic root of 45031012 is about 355.7710201123.

Adding to 45031012 its reverse (21013054), we get a palindrome (66044066).

The spelling of 45031012 in words is "forty-five million, thirty-one thousand, twelve".