45661042 has 12 divisors (see below), whose sum is σ = 79674030. Its totient is φ = 19568976.

The previous prime is 45661019. The next prime is 45661043. The reversal of 45661042 is 24016654.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 219961 = 6741^2 + 469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45661042.

It is not an unprimeable number, because it can be changed into a prime (45661043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232867 + ... + 233062.

Almost surely, 2^45661042 is an apocalyptic number.

45661042 is a deficient number, since it is larger than the sum of its proper divisors (34012988).

45661042 is a wasteful number, since it uses less digits than its factorization.

45661042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465945 (or 465938 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45661042 is about 6757.2954649031. The cubic root of 45661042 is about 357.4225421051.

Adding to 45661042 its reverse (24016654), we get a palindrome (69677696).

The spelling of 45661042 in words is "forty-five million, six hundred sixty-one thousand, forty-two".