45957999 has 4 divisors (see below), whose sum is σ = 61277336. Its totient is φ = 30638664.

The previous prime is 45957983. The next prime is 45958009. The reversal of 45957999 is 99975954.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45957999 - 2⁴ = 45957983 is a prime.

It is a super-2 number, since 2×45957999² = 4224275344168002, 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 (45957799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7659664 + ... + 7659669.

It is an arithmetic number, because the mean of its divisors is an integer number (15319334).

Almost surely, 2^45957999 is an apocalyptic number.

45957999 is a deficient number, since it is larger than the sum of its proper divisors (15319337).

45957999 is a wasteful number, since it uses less digits than its factorization.

45957999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319336.

The product of its digits is 4592700, while the sum is 57.

The square root of 45957999 is about 6779.2329212087. The cubic root of 45957999 is about 358.1957020148.

The spelling of 45957999 in words is "forty-five million, nine hundred fifty-seven thousand, nine hundred ninety-nine".