45150457 has 4 divisors (see below), whose sum is σ = 49255056. Its totient is φ = 41045860.

The previous prime is 45150407. The next prime is 45150463. The reversal of 45150457 is 75405154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45150457 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45150407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052283 + ... + 2052304.

It is an arithmetic number, because the mean of its divisors is an integer number (12313764).

Almost surely, 2^45150457 is an apocalyptic number.

It is an amenable number.

45150457 is a deficient number, since it is larger than the sum of its proper divisors (4104599).

45150457 is a wasteful number, since it uses less digits than its factorization.

45150457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104598.

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

The square root of 45150457 is about 6719.4089769860. The cubic root of 45150457 is about 356.0853039068.

The spelling of 45150457 in words is "forty-five million, one hundred fifty thousand, four hundred fifty-seven".