45123668 has 12 divisors (see below), whose sum is σ = 79259712. Its totient is φ = 22478040.

The previous prime is 45123649. The next prime is 45123679. The reversal of 45123668 is 86632154.

It is a super-2 number, since 2×45123668² = 4072290827548448, which contains 22 as substring.

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, 19730 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (6604976).

Almost surely, 2^45123668 is an apocalyptic number.

It is an amenable number.

45123668 is a deficient number, since it is larger than the sum of its proper divisors (34136044).

45123668 is a wasteful number, since it uses less digits than its factorization.

45123668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41902 (or 41900 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 45123668 is about 6717.4152767266. The cubic root of 45123668 is about 356.0148649266.

The spelling of 45123668 in words is "forty-five million, one hundred twenty-three thousand, six hundred sixty-eight".