142491088 has 10 divisors (see below), whose sum is σ = 276076514. Its totient is φ = 71245536.

The previous prime is 142491073. The next prime is 142491133. The reversal of 142491088 is 880194241.

It can be written as a sum of positive squares in only one way, i.e., 90478144 + 52012944 = 9512^2 + 7212^2 .

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, 4452831 + ... + 4452862.

Almost surely, 2^142491088 is an apocalyptic number.

It is an amenable number.

142491088 is a deficient number, since it is larger than the sum of its proper divisors (133585426).

142491088 is an equidigital number, since it uses as much as digits as its factorization.

142491088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905701 (or 8905695 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 142491088 is about 11936.9630978738. The cubic root of 142491088 is about 522.3110744512.

The spelling of 142491088 in words is "one hundred forty-two million, four hundred ninety-one thousand, eighty-eight".