45978697 has 4 divisors (see below), whose sum is σ = 46002816. Its totient is φ = 45954580.

The previous prime is 45978661. The next prime is 45978733. The reversal of 45978697 is 79687954.

45978697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (45978661) and next prime (45978733).

It is a cyclic number.

It is not a de Polignac number, because 45978697 - 2¹⁵ = 45945929 is a prime.

It is a super-2 number, since 2×45978697² = 4228081155635618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45978617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8929 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (11500704).

Almost surely, 2^45978697 is an apocalyptic number.

It is an amenable number.

45978697 is a deficient number, since it is larger than the sum of its proper divisors (24119).

45978697 is a wasteful number, since it uses less digits than its factorization.

45978697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24118.

The product of its digits is 3810240, while the sum is 55.

The square root of 45978697 is about 6780.7593232617. The cubic root of 45978697 is about 358.2494672068.

The spelling of 45978697 in words is "forty-five million, nine hundred seventy-eight thousand, six hundred ninety-seven".