142904613 has 8 divisors (see below), whose sum is σ = 190670688. Its totient is φ = 95204144.

The previous prime is 142904579. The next prime is 142904621. The reversal of 142904613 is 316409241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142904613 - 2²⁵ = 109350181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142904623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11070 + ... + 20207.

It is an arithmetic number, because the mean of its divisors is an integer number (23833836).

Almost surely, 2^142904613 is an apocalyptic number.

It is an amenable number.

142904613 is a deficient number, since it is larger than the sum of its proper divisors (47766075).

142904613 is a wasteful number, since it uses less digits than its factorization.

142904613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32803.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 142904613 is about 11954.2717469531. The cubic root of 142904613 is about 522.8158547507.

The spelling of 142904613 in words is "one hundred forty-two million, nine hundred four thousand, six hundred thirteen".