45251399 has 8 divisors (see below), whose sum is σ = 47997648. Its totient is φ = 42514560.

The previous prime is 45251387. The next prime is 45251411. The reversal of 45251399 is 99315254.

It is an interprime number because it is at equal distance from previous prime (45251387) and next prime (45251411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45251399 is a prime.

It is a super-2 number, since 2×45251399² = 4095378222914402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45251329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9224 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (5999706).

Almost surely, 2^45251399 is an apocalyptic number.

45251399 is a deficient number, since it is larger than the sum of its proper divisors (2746249).

45251399 is a wasteful number, since it uses less digits than its factorization.

45251399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its digits is 48600, while the sum is 38.

The square root of 45251399 is about 6726.9160095842. The cubic root of 45251399 is about 356.3504707286.

The spelling of 45251399 in words is "forty-five million, two hundred fifty-one thousand, three hundred ninety-nine".