745452288 has 432 divisors, whose sum is σ = 2684344320. Its totient is φ = 203212800.

The previous prime is 745452263. The next prime is 745452307. The reversal of 745452288 is 882254547.

745452288 is a `hidden beast` number, since 7 + 4 + 545 + 22 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a super-2 number, since 2×745452288² = 1111398227368869888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10499293 + ... + 10499363.

It is an arithmetic number, because the mean of its divisors is an integer number (6213760).

Almost surely, 2^745452288 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 745452288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342172160).

745452288 is an abundant number, since it is smaller than the sum of its proper divisors (1938892032).

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

745452288 is a wasteful number, since it uses less digits than its factorization.

745452288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 114 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 745452288 is about 27302.9721459038. The cubic root of 745452288 is about 906.7201852299.

The spelling of 745452288 in words is "seven hundred forty-five million, four hundred fifty-two thousand, two hundred eighty-eight".