45208380 has 72 divisors (see below), whose sum is σ = 147259728. Its totient is φ = 10332672.

The previous prime is 45208379. The next prime is 45208393. The reversal of 45208380 is 8380254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4749 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (2045274).

Almost surely, 2^45208380 is an apocalyptic number.

It is an amenable number.

45208380 is an abundant number, since it is smaller than the sum of its proper divisors (102051348).

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

45208380 is a wasteful number, since it uses less digits than its factorization.

45208380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403 (or 15394 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 45208380 is about 6723.7177216180. The cubic root of 45208380 is about 356.2375114120.

The spelling of 45208380 in words is "forty-five million, two hundred eight thousand, three hundred eighty".