45666251 has 8 divisors (see below), whose sum is σ = 48045984. Its totient is φ = 43346880.

The previous prime is 45666227. The next prime is 45666263. The reversal of 45666251 is 15266654.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45666251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45666211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13535 + ... + 16568.

It is an arithmetic number, because the mean of its divisors is an integer number (6005748).

Almost surely, 2^45666251 is an apocalyptic number.

45666251 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45666251 is a deficient number, since it is larger than the sum of its proper divisors (2379733).

45666251 is a wasteful number, since it uses less digits than its factorization.

45666251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30181.

The product of its digits is 43200, while the sum is 35.

The square root of 45666251 is about 6757.6808891808. The cubic root of 45666251 is about 357.4361331457.

The spelling of 45666251 in words is "forty-five million, six hundred sixty-six thousand, two hundred fifty-one".