142457884 has 6 divisors (see below), whose sum is σ = 249301304. Its totient is φ = 71228940.

The previous prime is 142457873. The next prime is 142457891. The reversal of 142457884 is 488754241.

It is a self number, because there is not a number n which added to its sum of digits gives 142457884.

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, 17807232 + ... + 17807239.

Almost surely, 2^142457884 is an apocalyptic number.

It is an amenable number.

142457884 is a deficient number, since it is larger than the sum of its proper divisors (106843420).

142457884 is a wasteful number, since it uses less digits than its factorization.

142457884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35614475 (or 35614473 counting only the distinct ones).

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

The square root of 142457884 is about 11935.5722108326. The cubic root of 142457884 is about 522.2705007694.

It can be divided in two parts, 142457 and 884, that added together give a palindrome (143341).

The spelling of 142457884 in words is "one hundred forty-two million, four hundred fifty-seven thousand, eight hundred eighty-four".