45142012 has 6 divisors (see below), whose sum is σ = 78998528. Its totient is φ = 22571004.

The previous prime is 45142007. The next prime is 45142033. The reversal of 45142012 is 21024154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5642748 + ... + 5642755.

Almost surely, 2^45142012 is an apocalyptic number.

It is an amenable number.

45142012 is a deficient number, since it is larger than the sum of its proper divisors (33856516).

45142012 is a wasteful number, since it uses less digits than its factorization.

45142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11285507 (or 11285505 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45142012 is about 6718.7805441166. The cubic root of 45142012 is about 356.0631016369.

Adding to 45142012 its reverse (21024154), we get a palindrome (66166166).

The spelling of 45142012 in words is "forty-five million, one hundred forty-two thousand, twelve".