45646897 has 4 divisors (see below), whose sum is σ = 45668160. Its totient is φ = 45625636.

The previous prime is 45646891. The next prime is 45646903. The reversal of 45646897 is 79864654.

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: 79864654 = 2 ⋅39932327.

It is an interprime number because it is at equal distance from previous prime (45646891) and next prime (45646903).

It is a cyclic number.

It is not a de Polignac number, because 45646897 - 2²³ = 37258289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45646897.

It is not an unprimeable number, because it can be changed into a prime (45646891) 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, 6997 + ... + 11842.

It is an arithmetic number, because the mean of its divisors is an integer number (11417040).

Almost surely, 2^45646897 is an apocalyptic number.

It is an amenable number.

45646897 is a deficient number, since it is larger than the sum of its proper divisors (21263).

45646897 is a wasteful number, since it uses less digits than its factorization.

45646897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21262.

The product of its digits is 1451520, while the sum is 49.

The square root of 45646897 is about 6756.2487372802. The cubic root of 45646897 is about 357.3856305222.

The spelling of 45646897 in words is "forty-five million, six hundred forty-six thousand, eight hundred ninety-seven".