45871212 has 12 divisors (see below), whose sum is σ = 107032856. Its totient is φ = 15290400.

The previous prime is 45871211. The next prime is 45871213. The reversal of 45871212 is 21217854.

It is an interprime number because it is at equal distance from previous prime (45871211) and next prime (45871213).

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 45871212.

It is not an unprimeable number, because it can be changed into a prime (45871211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911289 + ... + 1911312.

Almost surely, 2^45871212 is an apocalyptic number.

It is an amenable number.

45871212 is an abundant number, since it is smaller than the sum of its proper divisors (61161644).

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

45871212 is a wasteful number, since it uses less digits than its factorization.

45871212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822608 (or 3822606 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 45871212 is about 6772.8289510366. The cubic root of 45871212 is about 357.9700879058.

The spelling of 45871212 in words is "forty-five million, eight hundred seventy-one thousand, two hundred twelve".