142696579 has 2 divisors, whose sum is σ = 142696580. Its totient is φ = 142696578.

The previous prime is 142696571. The next prime is 142696583. The reversal of 142696579 is 975696241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142696579 - 2³ = 142696571 is a prime.

It is a super-4 number, since 4×142696579⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (142696571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71348289 + 71348290.

It is an arithmetic number, because the mean of its divisors is an integer number (71348290).

Almost surely, 2^142696579 is an apocalyptic number.

142696579 is a deficient number, since it is larger than the sum of its proper divisors (1).

142696579 is an equidigital number, since it uses as much as digits as its factorization.

142696579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 142696579 is about 11945.5673368827. The cubic root of 142696579 is about 522.5620344072.

The spelling of 142696579 in words is "one hundred forty-two million, six hundred ninety-six thousand, five hundred seventy-nine".