45452012 has 6 divisors (see below), whose sum is σ = 79541028. Its totient is φ = 22726004.

The previous prime is 45451957. The next prime is 45452023. The reversal of 45452012 is 21025454.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5681498 + ... + 5681505.

It is an arithmetic number, because the mean of its divisors is an integer number (13256838).

Almost surely, 2^45452012 is an apocalyptic number.

It is an amenable number.

45452012 is a deficient number, since it is larger than the sum of its proper divisors (34089016).

45452012 is a wasteful number, since it uses less digits than its factorization.

45452012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11363007 (or 11363005 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45452012 is about 6741.8107359967. The cubic root of 45452012 is about 356.8762972197.

Adding to 45452012 its reverse (21025454), we get a palindrome (66477466).

The spelling of 45452012 in words is "forty-five million, four hundred fifty-two thousand, twelve".