45049775 has 12 divisors (see below), whose sum is σ = 57225504. Its totient is φ = 35160000.

The previous prime is 45049769. The next prime is 45049799. The reversal of 45049775 is 57794054.

It is not a de Polignac number, because 45049775 - 2⁸ = 45049519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20951 + ... + 23000.

It is an arithmetic number, because the mean of its divisors is an integer number (4768792).

Almost surely, 2^45049775 is an apocalyptic number.

45049775 is a deficient number, since it is larger than the sum of its proper divisors (12175729).

45049775 is a wasteful number, since it uses less digits than its factorization.

45049775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44002 (or 43997 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 45049775 is about 6711.9129165984. The cubic root of 45049775 is about 355.8204260989.

The spelling of 45049775 in words is "forty-five million, forty-nine thousand, seven hundred seventy-five".