45255745 has 8 divisors (see below), whose sum is σ = 54365760. Its totient is φ = 36165360.

The previous prime is 45255647. The next prime is 45255761. The reversal of 45255745 is 54755254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45255745 - 2⁹ = 45255233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766 + ... + 9544.

It is an arithmetic number, because the mean of its divisors is an integer number (6795720).

Almost surely, 2^45255745 is an apocalyptic number.

It is an amenable number.

45255745 is a deficient number, since it is larger than the sum of its proper divisors (9110015).

45255745 is a wasteful number, since it uses less digits than its factorization.

45255745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815.

The product of its digits is 140000, while the sum is 37.

The square root of 45255745 is about 6727.2390324709. The cubic root of 45255745 is about 356.3618784759.

The spelling of 45255745 in words is "forty-five million, two hundred fifty-five thousand, seven hundred forty-five".