45745772 has 6 divisors (see below), whose sum is σ = 80055108. Its totient is φ = 22872884.

The previous prime is 45745771. The next prime is 45745783. The reversal of 45745772 is 27754754.

It is not an unprimeable number, because it can be changed into a prime (45745771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5718218 + ... + 5718225.

It is an arithmetic number, because the mean of its divisors is an integer number (13342518).

Almost surely, 2^45745772 is an apocalyptic number.

It is an amenable number.

45745772 is a deficient number, since it is larger than the sum of its proper divisors (34309336).

45745772 is a wasteful number, since it uses less digits than its factorization.

45745772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436447 (or 11436445 counting only the distinct ones).

The product of its digits is 274400, while the sum is 41.

The square root of 45745772 is about 6763.5620792597. The cubic root of 45745772 is about 357.6434868298.

The spelling of 45745772 in words is "forty-five million, seven hundred forty-five thousand, seven hundred seventy-two".