45997369 has 4 divisors (see below), whose sum is σ = 50178960. Its totient is φ = 41815780.

The previous prime is 45997363. The next prime is 45997379. The reversal of 45997369 is 96379954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45997369 - 2³ = 45997361 is a prime.

It is a super-2 number, since 2×45997369² = 4231515909844322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45997361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090779 + ... + 2090800.

It is an arithmetic number, because the mean of its divisors is an integer number (12544740).

Almost surely, 2^45997369 is an apocalyptic number.

It is an amenable number.

45997369 is a deficient number, since it is larger than the sum of its proper divisors (4181591).

45997369 is a wasteful number, since it uses less digits than its factorization.

45997369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181590.

The product of its digits is 1837080, while the sum is 52.

The square root of 45997369 is about 6782.1360204585. The cubic root of 45997369 is about 358.2979558127.

The spelling of 45997369 in words is "forty-five million, nine hundred ninety-seven thousand, three hundred sixty-nine".