45151893 has 12 divisors (see below), whose sum is σ = 65302848. Its totient is φ = 30062760.

The previous prime is 45151891. The next prime is 45151907. The reversal of 45151893 is 39815154.

45151893 is a `hidden beast` number, since 4 + 51 + 518 + 93 = 666.

It is not a de Polignac number, because 45151893 - 2¹ = 45151891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45151891) 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, 5446 + ... + 10952.

It is an arithmetic number, because the mean of its divisors is an integer number (5441904).

Almost surely, 2^45151893 is an apocalyptic number.

It is an amenable number.

45151893 is a deficient number, since it is larger than the sum of its proper divisors (20150955).

45151893 is a wasteful number, since it uses less digits than its factorization.

45151893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424 (or 6421 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 45151893 is about 6719.5158307723. The cubic root of 45151893 is about 356.0890789375.

The spelling of 45151893 in words is "forty-five million, one hundred fifty-one thousand, eight hundred ninety-three".