45211770 has 40 divisors (see below), whose sum is σ = 121571604. Its totient is φ = 12056256.

The previous prime is 45211769. The next prime is 45211787. The reversal of 45211770 is 7711254.

45211770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 3337929 = 6471^2 + 1827^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27099 + ... + 28718.

Almost surely, 2^45211770 is an apocalyptic number.

45211770 is an abundant number, since it is smaller than the sum of its proper divisors (76359834).

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

45211770 is a wasteful number, since it uses less digits than its factorization.

45211770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55836 (or 55827 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 45211770 is about 6723.9698095693. The cubic root of 45211770 is about 356.2464154764.

The spelling of 45211770 in words is "forty-five million, two hundred eleven thousand, seven hundred seventy".