142502155442 has 32 divisors (see below), whose sum is σ = 220151094912. Its totient is φ = 69148445184.

The previous prime is 142502155423. The next prime is 142502155451. The reversal of 142502155442 is 244551205241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32931083 + ... + 32935409.

It is an arithmetic number, because the mean of its divisors is an integer number (6879721716).

Almost surely, 2^142502155442 is an apocalyptic number.

142502155442 is a deficient number, since it is larger than the sum of its proper divisors (77648939470).

142502155442 is a wasteful number, since it uses less digits than its factorization.

142502155442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 142502155442 in words is "one hundred forty-two billion, five hundred two million, one hundred fifty-five thousand, four hundred forty-two".