45570644 has 12 divisors (see below), whose sum is σ = 91141344. Its totient is φ = 19530264.

The previous prime is 45570617. The next prime is 45570647. The reversal of 45570644 is 44607554.

45570644 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45570647) 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, 813734 + ... + 813789.

It is an arithmetic number, because the mean of its divisors is an integer number (7595112).

Almost surely, 2^45570644 is an apocalyptic number.

It is an amenable number.

45570644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45570644 is a wasteful number, since it uses less digits than its factorization.

45570644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627534 (or 1627532 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 45570644 is about 6750.6032323045. The cubic root of 45570644 is about 357.1865157447.

The spelling of 45570644 in words is "forty-five million, five hundred seventy thousand, six hundred forty-four".