45019782 has 12 divisors (see below), whose sum is σ = 97542900. Its totient is φ = 15006588.

The previous prime is 45019747. The next prime is 45019789. The reversal of 45019782 is 28791054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019789) 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, 1250532 + ... + 1250567.

It is an arithmetic number, because the mean of its divisors is an integer number (8128575).

Almost surely, 2^45019782 is an apocalyptic number.

45019782 is an abundant number, since it is smaller than the sum of its proper divisors (52523118).

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

45019782 is a wasteful number, since it uses less digits than its factorization.

45019782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501107 (or 2501104 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 45019782 is about 6709.6782337158. The cubic root of 45019782 is about 355.7414431567.

The spelling of 45019782 in words is "forty-five million, nineteen thousand, seven hundred eighty-two".