45157697 has 8 divisors (see below), whose sum is σ = 49762944. Its totient is φ = 40714128.

The previous prime is 45157681. The next prime is 45157703. The reversal of 45157697 is 79675154.

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

It is not a de Polignac number, because 45157697 - 2⁴ = 45157681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45157657) 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, 39833 + ... + 40950.

It is an arithmetic number, because the mean of its divisors is an integer number (6220368).

Almost surely, 2^45157697 is an apocalyptic number.

It is an amenable number.

45157697 is a deficient number, since it is larger than the sum of its proper divisors (4605247).

45157697 is a wasteful number, since it uses less digits than its factorization.

45157697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80839.

The product of its digits is 264600, while the sum is 44.

The square root of 45157697 is about 6719.9476932488. The cubic root of 45157697 is about 356.1043359756.

It can be divided in two parts, 45157 and 697, that added together give a palindrome (45854).

The spelling of 45157697 in words is "forty-five million, one hundred fifty-seven thousand, six hundred ninety-seven".