45397757 has 4 divisors (see below), whose sum is σ = 45517920. Its totient is φ = 45277596.

The previous prime is 45397753. The next prime is 45397771. The reversal of 45397757 is 75779354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45397757 - 2² = 45397753 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 (45397753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59513 + ... + 60270.

It is an arithmetic number, because the mean of its divisors is an integer number (11379480).

Almost surely, 2^45397757 is an apocalyptic number.

It is an amenable number.

45397757 is a deficient number, since it is larger than the sum of its proper divisors (120163).

45397757 is a wasteful number, since it uses less digits than its factorization.

45397757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120162.

The product of its digits is 926100, while the sum is 47.

The square root of 45397757 is about 6737.7857638842. The cubic root of 45397757 is about 356.7342423954.

The spelling of 45397757 in words is "forty-five million, three hundred ninety-seven thousand, seven hundred fifty-seven".