45497957 has 4 divisors (see below), whose sum is σ = 46009260. Its totient is φ = 44986656.

The previous prime is 45497941. The next prime is 45498023. The reversal of 45497957 is 75979454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18395521 + 27102436 = 4289^2 + 5206^2 .

It is a cyclic number.

It is not a de Polignac number, because 45497957 - 2⁴ = 45497941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45490957) 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, 255518 + ... + 255695.

It is an arithmetic number, because the mean of its divisors is an integer number (11502315).

Almost surely, 2^45497957 is an apocalyptic number.

It is an amenable number.

45497957 is a deficient number, since it is larger than the sum of its proper divisors (511303).

45497957 is an equidigital number, since it uses as much as digits as its factorization.

45497957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511302.

The product of its digits is 1587600, while the sum is 50.

The square root of 45497957 is about 6745.2173426807. The cubic root of 45497957 is about 356.9965057577.

The spelling of 45497957 in words is "forty-five million, four hundred ninety-seven thousand, nine hundred fifty-seven".