45159999 has 16 divisors (see below), whose sum is σ = 61152000. Its totient is φ = 29640960.

The previous prime is 45159977. The next prime is 45160009. The reversal of 45159999 is 99995154.

It is a happy number.

It is not a de Polignac number, because 45159999 - 2⁵ = 45159967 is a prime.

45159999 is a modest number, since divided by 9999 gives 4515 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45159929) 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, 90252 + ... + 90750.

It is an arithmetic number, because the mean of its divisors is an integer number (3822000).

Almost surely, 2^45159999 is an apocalyptic number.

45159999 is a deficient number, since it is larger than the sum of its proper divisors (15992001).

45159999 is a wasteful number, since it uses less digits than its factorization.

45159999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its digits is 656100, while the sum is 51.

The square root of 45159999 is about 6720.1189721611. The cubic root of 45159999 is about 356.1103869061.

The spelling of 45159999 in words is "forty-five million, one hundred fifty-nine thousand, nine hundred ninety-nine".