84142504 has 16 divisors (see below), whose sum is σ = 158224500. Its totient is φ = 41949312.

The previous prime is 84142489. The next prime is 84142511. The reversal of 84142504 is 40524148.

It can be written as a sum of positive squares in 2 ways, for example, as 82773604 + 1368900 = 9098^2 + 1170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12277 + ... + 17860.

Almost surely, 2^84142504 is an apocalyptic number.

It is an amenable number.

84142504 is a deficient number, since it is larger than the sum of its proper divisors (74081996).

84142504 is a wasteful number, since it uses less digits than its factorization.

84142504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30492 (or 30488 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 84142504 is about 9172.9223260638. The cubic root of 84142504 is about 438.1994324034.

The spelling of 84142504 in words is "eighty-four million, one hundred forty-two thousand, five hundred four".