45057145 has 8 divisors (see below), whose sum is σ = 61792704. Its totient is φ = 30896304.

The previous prime is 45057139. The next prime is 45057169. The reversal of 45057145 is 54175054.

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

It is a cyclic number.

It is not a de Polignac number, because 45057145 - 2³ = 45057137 is a prime.

It is a Duffinian number.

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, 643639 + ... + 643708.

It is an arithmetic number, because the mean of its divisors is an integer number (7724088).

Almost surely, 2^45057145 is an apocalyptic number.

It is an amenable number.

45057145 is a deficient number, since it is larger than the sum of its proper divisors (16735559).

45057145 is a wasteful number, since it uses less digits than its factorization.

45057145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287359.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 45057145 is about 6712.4619179553. The cubic root of 45057145 is about 355.8398287378.

The spelling of 45057145 in words is "forty-five million, fifty-seven thousand, one hundred forty-five".