45499968 has 140 divisors (see below), whose sum is σ = 137934192. Its totient is φ = 14826240.

The previous prime is 45499967. The next prime is 45499969. The reversal of 45499968 is 86999454.

45499968 is a `hidden beast` number, since 4 + 549 + 9 + 96 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (45499967) and next prime (45499969).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (45499963) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 347263 + ... + 347393.

Almost surely, 2^45499968 is an apocalyptic number.

45499968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45499968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68967096).

45499968 is an abundant number, since it is smaller than the sum of its proper divisors (92434224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45499968 is a wasteful number, since it uses less digits than its factorization.

45499968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 203 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 45499968 is about 6745.3664096178. The cubic root of 45499968 is about 357.0017654033.

The spelling of 45499968 in words is "forty-five million, four hundred ninety-nine thousand, nine hundred sixty-eight".