45666497 has 8 divisors (see below), whose sum is σ = 46960872. Its totient is φ = 44380800.

The previous prime is 45666487. The next prime is 45666499. The reversal of 45666497 is 79466654.

It can be written as a sum of positive squares in 4 ways, for example, as 5013121 + 40653376 = 2239^2 + 6376^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45666497 - 2¹⁸ = 45404353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45666499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9347 + ... + 13367.

It is an arithmetic number, because the mean of its divisors is an integer number (5870109).

Almost surely, 2^45666497 is an apocalyptic number.

It is an amenable number.

45666497 is a deficient number, since it is larger than the sum of its proper divisors (1294375).

45666497 is a wasteful number, since it uses less digits than its factorization.

45666497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339.

The product of its digits is 1088640, while the sum is 47.

The square root of 45666497 is about 6757.6990906669. The cubic root of 45666497 is about 357.4367749700.

The spelling of 45666497 in words is "forty-five million, six hundred sixty-six thousand, four hundred ninety-seven".