142442662 has 4 divisors (see below), whose sum is σ = 213663996. Its totient is φ = 71221330.

The previous prime is 142442647. The next prime is 142442681. The reversal of 142442662 is 266244241.

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: 266244241 = 9391 ⋅28351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35610664 + ... + 35610667.

It is an arithmetic number, because the mean of its divisors is an integer number (53415999).

Almost surely, 2^142442662 is an apocalyptic number.

142442662 is a deficient number, since it is larger than the sum of its proper divisors (71221334).

142442662 is an equidigital number, since it uses as much as digits as its factorization.

142442662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71221333.

The product of its digits is 18432, while the sum is 31.

The square root of 142442662 is about 11934.9345201388. The cubic root of 142442662 is about 522.2518981141.

The spelling of 142442662 in words is "one hundred forty-two million, four hundred forty-two thousand, six hundred sixty-two".