142310661 has 8 divisors (see below), whose sum is σ = 189829824. Its totient is φ = 94832640.

The previous prime is 142310659. The next prime is 142310681. The reversal of 142310661 is 166013241.

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

It is not a de Polignac number, because 142310661 - 2¹ = 142310659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142310611) 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, 1020 + ... + 16901.

It is an arithmetic number, because the mean of its divisors is an integer number (23728728).

Almost surely, 2^142310661 is an apocalyptic number.

It is an amenable number.

142310661 is a deficient number, since it is larger than the sum of its proper divisors (47519163).

142310661 is a wasteful number, since it uses less digits than its factorization.

142310661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20571.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 142310661 is about 11929.4032122315. The cubic root of 142310661 is about 522.0905253961.

The spelling of 142310661 in words is "one hundred forty-two million, three hundred ten thousand, six hundred sixty-one".