142400574 has 12 divisors (see below), whose sum is σ = 308534616. Its totient is φ = 47466852.

The previous prime is 142400509. The next prime is 142400579. The reversal of 142400574 is 475004241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142400579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3955554 + ... + 3955589.

It is an arithmetic number, because the mean of its divisors is an integer number (25711218).

Almost surely, 2^142400574 is an apocalyptic number.

142400574 is an abundant number, since it is smaller than the sum of its proper divisors (166134042).

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

142400574 is a wasteful number, since it uses less digits than its factorization.

142400574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7911151 (or 7911148 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 142400574 is about 11933.1711627714. The cubic root of 142400574 is about 522.2004558874.

The spelling of 142400574 in words is "one hundred forty-two million, four hundred thousand, five hundred seventy-four".