45861492 has 12 divisors (see below), whose sum is σ = 107010176. Its totient is φ = 15287160.

The previous prime is 45861481. The next prime is 45861509. The reversal of 45861492 is 29416854.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45861492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910884 + ... + 1910907.

Almost surely, 2^45861492 is an apocalyptic number.

It is an amenable number.

45861492 is an abundant number, since it is smaller than the sum of its proper divisors (61148684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45861492 is a wasteful number, since it uses less digits than its factorization.

45861492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821798 (or 3821796 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 45861492 is about 6772.1113398998. Note that the first 3 decimals coincide. The cubic root of 45861492 is about 357.9448017848.

The spelling of 45861492 in words is "forty-five million, eight hundred sixty-one thousand, four hundred ninety-two".