142376986 has 16 divisors (see below), whose sum is σ = 220746240. Its totient is φ = 68801040.

The previous prime is 142376981. The next prime is 142376987. The reversal of 142376986 is 689673241.

It is a super-2 number, since 2×142376986² = 40542412284888392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142376981) 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, 87795 + ... + 89401.

It is an arithmetic number, because the mean of its divisors is an integer number (13796640).

Almost surely, 2^142376986 is an apocalyptic number.

142376986 is a deficient number, since it is larger than the sum of its proper divisors (78369254).

142376986 is a wasteful number, since it uses less digits than its factorization.

142376986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069.

The product of its digits is 435456, while the sum is 46.

The square root of 142376986 is about 11932.1827843861. The cubic root of 142376986 is about 522.1716209274.

The spelling of 142376986 in words is "one hundred forty-two million, three hundred seventy-six thousand, nine hundred eighty-six".