45666423 has 40 divisors (see below), whose sum is σ = 75271680. Its totient is φ = 27360720.

The previous prime is 45666421. The next prime is 45666449. The reversal of 45666423 is 32466654.

It is not a de Polignac number, because 45666423 - 2¹ = 45666421 is a prime.

It is a super-2 number, since 2×45666423² = 4170844379229858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 95098 + ... + 95576.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^45666423 is an apocalyptic number.

45666423 is a deficient number, since it is larger than the sum of its proper divisors (29605257).

45666423 is a wasteful number, since it uses less digits than its factorization.

45666423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 600 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 45666423 is about 6757.6936154283. The cubic root of 45666423 is about 357.4365819012.

The spelling of 45666423 in words is "forty-five million, six hundred sixty-six thousand, four hundred twenty-three".