142405594 has 32 divisors (see below), whose sum is σ = 225244800. Its totient is φ = 67459392.

The previous prime is 142405567. The next prime is 142405643. The reversal of 142405594 is 495504241.

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, 715507 + ... + 715705.

It is an arithmetic number, because the mean of its divisors is an integer number (7038900).

Almost surely, 2^142405594 is an apocalyptic number.

142405594 is a deficient number, since it is larger than the sum of its proper divisors (82839206).

142405594 is a wasteful number, since it uses less digits than its factorization.

142405594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 142405594 is about 11933.3814989717. The cubic root of 142405594 is about 522.2065921348.

The spelling of 142405594 in words is "one hundred forty-two million, four hundred five thousand, five hundred ninety-four".