45145788 has 36 divisors (see below), whose sum is σ = 106937208. Its totient is φ = 14822400.

The previous prime is 45145787. The next prime is 45145799. The reversal of 45145788 is 88754154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233820 + ... + 234012.

It is an arithmetic number, because the mean of its divisors is an integer number (2970478).

Almost surely, 2^45145788 is an apocalyptic number.

It is an amenable number.

45145788 is an abundant number, since it is smaller than the sum of its proper divisors (61791420).

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

45145788 is a wasteful number, since it uses less digits than its factorization.

45145788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 299 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 45145788 is about 6719.0615416143. The cubic root of 45145788 is about 356.0730292463.

The spelling of 45145788 in words is "forty-five million, one hundred forty-five thousand, seven hundred eighty-eight".