142564730 has 32 divisors (see below), whose sum is σ = 319939200. Its totient is φ = 44435520.

The previous prime is 142564633. The next prime is 142564757. The reversal of 142564730 is 37465241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91805 + ... + 93344.

It is an arithmetic number, because the mean of its divisors is an integer number (9998100).

Almost surely, 2^142564730 is an apocalyptic number.

142564730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142564730 is an abundant number, since it is smaller than the sum of its proper divisors (177374470).

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

142564730 is a wasteful number, since it uses less digits than its factorization.

142564730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185174.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 142564730 is about 11940.0473198392. The cubic root of 142564730 is about 522.4010389261.

The spelling of 142564730 in words is "one hundred forty-two million, five hundred sixty-four thousand, seven hundred thirty".