745143522 has 8 divisors (see below), whose sum is σ = 1490287056. Its totient is φ = 248381172.

The previous prime is 745143521. The next prime is 745143523. The reversal of 745143522 is 225341547.

It is an interprime number because it is at equal distance from previous prime (745143521) and next prime (745143523).

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

745143522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (745143521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62095288 + ... + 62095299.

It is an arithmetic number, because the mean of its divisors is an integer number (186285882).

Almost surely, 2^745143522 is an apocalyptic number.

745143522 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.

745143522 is a wasteful number, since it uses less digits than its factorization.

745143522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124190592.

The product of its digits is 33600, while the sum is 33.

The square root of 745143522 is about 27297.3171209187. The cubic root of 745143522 is about 906.5949802451.

The spelling of 745143522 in words is "seven hundred forty-five million, one hundred forty-three thousand, five hundred twenty-two".