75142456 has 16 divisors (see below), whose sum is σ = 141632640. Its totient is φ = 37373760.

The previous prime is 75142453. The next prime is 75142489. The reversal of 75142456 is 65424157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75142453) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23061 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (8852040).

Almost surely, 2^75142456 is an apocalyptic number.

It is an amenable number.

75142456 is a deficient number, since it is larger than the sum of its proper divisors (66490184).

75142456 is a wasteful number, since it uses less digits than its factorization.

75142456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49374 (or 49370 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 75142456 is about 8668.4748370172. The cubic root of 75142456 is about 421.9831683201.

The spelling of 75142456 in words is "seventy-five million, one hundred forty-two thousand, four hundred fifty-six".