45123708 has 96 divisors (see below), whose sum is σ = 129472000. Its totient is φ = 12192768.

The previous prime is 45123691. The next prime is 45123791. The reversal of 45123708 is 80732154.

It is a super-2 number, since 2×45123708² = 4072298047338528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 77916 + ... + 78492.

Almost surely, 2^45123708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45123708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64736000).

45123708 is an abundant number, since it is smaller than the sum of its proper divisors (84348292).

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

45123708 is a wasteful number, since it uses less digits than its factorization.

45123708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45123708 is about 6717.4182540616. The cubic root of 45123708 is about 356.0149701233.

It can be divided in two parts, 45 and 123708, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 45123708 in words is "forty-five million, one hundred twenty-three thousand, seven hundred eight".