45989797 has 4 divisors (see below), whose sum is σ = 52559776. Its totient is φ = 39419820.

The previous prime is 45989767. The next prime is 45989803. The reversal of 45989797 is 79798954.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79798954 = 2 ⋅39899477.

It is a cyclic number.

It is not a de Polignac number, because 45989797 - 2¹⁹ = 45465509 is a prime.

It is a super-2 number, since 2×45989797² = 4230122856202418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45989707) 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, 3284979 + ... + 3284992.

It is an arithmetic number, because the mean of its divisors is an integer number (13139944).

Almost surely, 2^45989797 is an apocalyptic number.

It is an amenable number.

45989797 is a deficient number, since it is larger than the sum of its proper divisors (6569979).

45989797 is an equidigital number, since it uses as much as digits as its factorization.

45989797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6569978.

The product of its digits is 5715360, while the sum is 58.

The square root of 45989797 is about 6781.5777662724. The cubic root of 45989797 is about 358.2782939562.

The spelling of 45989797 in words is "forty-five million, nine hundred eighty-nine thousand, seven hundred ninety-seven".