45999999 has 12 divisors (see below), whose sum is σ = 67571400. Its totient is φ = 30146544.

The previous prime is 45999997. The next prime is 46000013. The reversal of 45999999 is 99999954.

45999999 is a `hidden beast` number, since 459 + 9 + 99 + 99 = 666.

It is not a de Polignac number, because 45999999 - 2¹ = 45999997 is a prime.

45999999 is a modest number, since divided by 9999 gives 4599 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45999997) 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, 42784 + ... + 43845.

It is an arithmetic number, because the mean of its divisors is an integer number (5630950).

Almost surely, 2^45999999 is an apocalyptic number.

45999999 is a deficient number, since it is larger than the sum of its proper divisors (21571401).

45999999 is a wasteful number, since it uses less digits than its factorization.

45999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86694 (or 86691 counting only the distinct ones).

The product of its digits is 10628820, while the sum is 63.

The square root of 45999999 is about 6782.3299094043. The cubic root of 45999999 is about 358.3047845052.

The spelling of 45999999 in words is "forty-five million, nine hundred ninety-nine thousand, nine hundred ninety-nine".