45393788 has 12 divisors (see below), whose sum is σ = 86660952. Its totient is φ = 20633520.

The previous prime is 45393781. The next prime is 45393797. The reversal of 45393788 is 88739354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45393781) 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, 515795 + ... + 515882.

It is an arithmetic number, because the mean of its divisors is an integer number (7221746).

Almost surely, 2^45393788 is an apocalyptic number.

It is an amenable number.

45393788 is a deficient number, since it is larger than the sum of its proper divisors (41267164).

45393788 is a wasteful number, since it uses less digits than its factorization.

45393788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031692 (or 1031690 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 45393788 is about 6737.4912244841. The cubic root of 45393788 is about 356.7238459972.

The spelling of 45393788 in words is "forty-five million, three hundred ninety-three thousand, seven hundred eighty-eight".