75142346146 has 32 divisors (see below), whose sum is σ = 132086845440. Its totient is φ = 31389147216.

The previous prime is 75142346141. The next prime is 75142346179. The reversal of 75142346146 is 64164324157.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (75142346141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158065 + ... + 418651.

It is an arithmetic number, because the mean of its divisors is an integer number (4127713920).

Almost surely, 2^75142346146 is an apocalyptic number.

75142346146 is a deficient number, since it is larger than the sum of its proper divisors (56944499294).

75142346146 is a wasteful number, since it uses less digits than its factorization.

75142346146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261118.

The product of its digits is 483840, while the sum is 43.

The spelling of 75142346146 in words is "seventy-five billion, one hundred forty-two million, three hundred forty-six thousand, one hundred forty-six".