45997311 has 8 divisors (see below), whose sum is σ = 61697664. Its totient is φ = 30480920.

The previous prime is 45997307. The next prime is 45997337. The reversal of 45997311 is 11379954.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45997311 - 2² = 45997307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45997311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45997351) 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, 45405 + ... + 46406.

It is an arithmetic number, because the mean of its divisors is an integer number (7712208).

Almost surely, 2^45997311 is an apocalyptic number.

45997311 is a deficient number, since it is larger than the sum of its proper divisors (15700353).

45997311 is a wasteful number, since it uses less digits than its factorization.

45997311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91981.

The product of its digits is 34020, while the sum is 39.

The square root of 45997311 is about 6782.1317445181. The cubic root of 45997311 is about 358.2978052150.

The spelling of 45997311 in words is "forty-five million, nine hundred ninety-seven thousand, three hundred eleven".