142955786 has 4 divisors (see below), whose sum is σ = 214433682. Its totient is φ = 71477892.

The previous prime is 142955767. The next prime is 142955809. The reversal of 142955786 is 687559241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687559241 = 967 ⋅711023.

It can be written as a sum of positive squares in only one way, i.e., 81631225 + 61324561 = 9035^2 + 7831^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 142955786.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35738945 + ... + 35738948.

Almost surely, 2^142955786 is an apocalyptic number.

142955786 is a deficient number, since it is larger than the sum of its proper divisors (71477896).

142955786 is an equidigital number, since it uses as much as digits as its factorization.

142955786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71477895.

The product of its digits is 604800, while the sum is 47.

The square root of 142955786 is about 11956.4119199700. The cubic root of 142955786 is about 522.8782526965.

The spelling of 142955786 in words is "one hundred forty-two million, nine hundred fifty-five thousand, seven hundred eighty-six".