142579427 has 8 divisors (see below), whose sum is σ = 147566832. Its totient is φ = 137664000.

The previous prime is 142579403. The next prime is 142579429. The reversal of 142579427 is 724975241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142579427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142579429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13949 + ... + 21902.

It is an arithmetic number, because the mean of its divisors is an integer number (18445854).

Almost surely, 2^142579427 is an apocalyptic number.

142579427 is a deficient number, since it is larger than the sum of its proper divisors (4987405).

142579427 is an equidigital number, since it uses as much as digits as its factorization.

142579427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35989.

The product of its digits is 141120, while the sum is 41.

The square root of 142579427 is about 11940.6627538006. The cubic root of 142579427 is about 522.4189897528.

The spelling of 142579427 in words is "one hundred forty-two million, five hundred seventy-nine thousand, four hundred twenty-seven".