45937289 has 2 divisors, whose sum is σ = 45937290. Its totient is φ = 45937288.

The previous prime is 45937259. The next prime is 45937291. The reversal of 45937289 is 98273954.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44448889 + 1488400 = 6667^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 45937289 - 2⁸ = 45937033 is a prime.

It is a super-2 number, since 2×45937289² = 4220469041339042, which contains 22 as substring.

Together with 45937291, 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 (45937259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22968644 + 22968645.

It is an arithmetic number, because the mean of its divisors is an integer number (22968645).

Almost surely, 2^45937289 is an apocalyptic number.

It is an amenable number.

45937289 is a deficient number, since it is larger than the sum of its proper divisors (1).

45937289 is an equidigital number, since it uses as much as digits as its factorization.

45937289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 45937289 is about 6777.7052901406. The cubic root of 45937289 is about 358.1418894924.

The spelling of 45937289 in words is "forty-five million, nine hundred thirty-seven thousand, two hundred eighty-nine".