45815032 has 8 divisors (see below), whose sum is σ = 85903200. Its totient is φ = 22907512.

The previous prime is 45815027. The next prime is 45815089. The reversal of 45815032 is 23051854.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45815032² = 4198034314322048, which contains 22 as substring.

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, 2863432 + ... + 2863447.

It is an arithmetic number, because the mean of its divisors is an integer number (10737900).

Almost surely, 2^45815032 is an apocalyptic number.

It is an amenable number.

45815032 is a deficient number, since it is larger than the sum of its proper divisors (40088168).

45815032 is a wasteful number, since it uses less digits than its factorization.

45815032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726885 (or 5726881 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45815032 is about 6768.6802258638. The cubic root of 45815032 is about 357.8238889112.

Adding to 45815032 its reverse (23051854), we get a palindrome (68866886).

The spelling of 45815032 in words is "forty-five million, eight hundred fifteen thousand, thirty-two".