45999966 has 8 divisors (see below), whose sum is σ = 91999944. Its totient is φ = 15333320.

The previous prime is 45999953. The next prime is 45999973. The reversal of 45999966 is 66999954.

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

45999966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833325 + ... + 3833336.

It is an arithmetic number, because the mean of its divisors is an integer number (11499993).

Almost surely, 2^45999966 is an apocalyptic number.

45999966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45999966 is a wasteful number, since it uses less digits than its factorization.

45999966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666666.

The product of its digits is 4723920, while the sum is 57.

The square root of 45999966 is about 6782.3274766116. The cubic root of 45999966 is about 358.3046988236.

The spelling of 45999966 in words is "forty-five million, nine hundred ninety-nine thousand, nine hundred sixty-six".