142488574 has 4 divisors (see below), whose sum is σ = 213732864. Its totient is φ = 71244286.

The previous prime is 142488559. The next prime is 142488607. The reversal of 142488574 is 475884241.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142488574.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35622142 + ... + 35622145.

It is an arithmetic number, because the mean of its divisors is an integer number (53433216).

Almost surely, 2^142488574 is an apocalyptic number.

142488574 is a deficient number, since it is larger than the sum of its proper divisors (71244290).

142488574 is an equidigital number, since it uses as much as digits as its factorization.

142488574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71244289.

The product of its digits is 286720, while the sum is 43.

The square root of 142488574 is about 11936.8577942438. The cubic root of 142488574 is about 522.3080026854.

It can be divided in two parts, 14248 and 8574, that added together give a palindrome (22822).

The spelling of 142488574 in words is "one hundred forty-two million, four hundred eighty-eight thousand, five hundred seventy-four".