745115124 has 48 divisors (see below), whose sum is σ = 1880204480. Its totient is φ = 228303360.

The previous prime is 745115113. The next prime is 745115131. The reversal of 745115124 is 421511547.

It is a junction number, because it is equal to n+sod(n) for n = 745115091 and 745115100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27687 + ... + 47505.

Almost surely, 2^745115124 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 745115124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940102240).

745115124 is an abundant number, since it is smaller than the sum of its proper divisors (1135089356).

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

745115124 is a wasteful number, since it uses less digits than its factorization.

745115124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20080 (or 20078 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 745115124 is about 27296.7969549543. The cubic root of 745115124 is about 906.5834630851.

The spelling of 745115124 in words is "seven hundred forty-five million, one hundred fifteen thousand, one hundred twenty-four".