45397569 has 12 divisors (see below), whose sum is σ = 70412784. Its totient is φ = 25941384.

The previous prime is 45397567. The next prime is 45397577. The reversal of 45397569 is 96579354.

It is not a de Polignac number, because 45397569 - 2¹ = 45397567 is a prime.

It is a super-2 number, since 2×45397569² = 4121878542219522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45397567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154267 + ... + 154560.

It is an arithmetic number, because the mean of its divisors is an integer number (5867732).

Almost surely, 2^45397569 is an apocalyptic number.

45397569 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45397569 is a deficient number, since it is larger than the sum of its proper divisors (25015215).

45397569 is a wasteful number, since it uses less digits than its factorization.

45397569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308844 (or 308837 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

The square root of 45397569 is about 6737.7718126989. The cubic root of 45397569 is about 356.7337499619.

The spelling of 45397569 in words is "forty-five million, three hundred ninety-seven thousand, five hundred sixty-nine".