45988091 has 2 divisors, whose sum is σ = 45988092. Its totient is φ = 45988090.

The previous prime is 45988087. The next prime is 45988093. The reversal of 45988091 is 19088954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45988091 - 2² = 45988087 is a prime.

It is a super-2 number, since 2×45988091² = 4229809027648562, which contains 22 as substring.

Together with 45988093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45988093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22994045 + 22994046.

It is an arithmetic number, because the mean of its divisors is an integer number (22994046).

Almost surely, 2^45988091 is an apocalyptic number.

45988091 is a deficient number, since it is larger than the sum of its proper divisors (1).

45988091 is an equidigital number, since it uses as much as digits as its factorization.

45988091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 45988091 is about 6781.4519831670. The cubic root of 45988091 is about 358.2738637683.

The spelling of 45988091 in words is "forty-five million, nine hundred eighty-eight thousand, ninety-one".