45399112 has 32 divisors (see below), whose sum is σ = 98327520. Its totient is φ = 19421440.

The previous prime is 45399103. The next prime is 45399121. The reversal of 45399112 is 21199354.

It is an interprime number because it is at equal distance from previous prime (45399103) and next prime (45399121).

It is a super-2 number, since 2×45399112² = 4122158740777088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13678 + ... + 16669.

It is an arithmetic number, because the mean of its divisors is an integer number (3072735).

Almost surely, 2^45399112 is an apocalyptic number.

It is an amenable number.

45399112 is an abundant number, since it is smaller than the sum of its proper divisors (52928408).

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

45399112 is a wasteful number, since it uses less digits than its factorization.

45399112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30381 (or 30377 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 45399112 is about 6737.8863154553. The cubic root of 45399112 is about 356.7377915435.

The spelling of 45399112 in words is "forty-five million, three hundred ninety-nine thousand, one hundred twelve".