45145893 has 16 divisors (see below), whose sum is σ = 65649920. Its totient is φ = 27428544.

The previous prime is 45145861. The next prime is 45145913. The reversal of 45145893 is 39854154.

It is not a de Polignac number, because 45145893 - 2⁵ = 45145861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4246 + ... + 10407.

It is an arithmetic number, because the mean of its divisors is an integer number (4103120).

Almost surely, 2^45145893 is an apocalyptic number.

It is an amenable number.

45145893 is a deficient number, since it is larger than the sum of its proper divisors (20504027).

45145893 is a wasteful number, since it uses less digits than its factorization.

45145893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14748.

The product of its digits is 86400, while the sum is 39.

The square root of 45145893 is about 6719.0693552009. The cubic root of 45145893 is about 356.0733052974.

The spelling of 45145893 in words is "forty-five million, one hundred forty-five thousand, eight hundred ninety-three".