142220162 has 16 divisors (see below), whose sum is σ = 243959040. Its totient is φ = 60913248.

The previous prime is 142220153. The next prime is 142220189. The reversal of 142220162 is 261022241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42038 + ... + 45294.

It is an arithmetic number, because the mean of its divisors is an integer number (15247440).

Almost surely, 2^142220162 is an apocalyptic number.

142220162 is a deficient number, since it is larger than the sum of its proper divisors (101738878).

142220162 is a wasteful number, since it uses less digits than its factorization.

142220162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 142220162 is about 11925.6095022435. The cubic root of 142220162 is about 521.9798316758.

The spelling of 142220162 in words is "one hundred forty-two million, two hundred twenty thousand, one hundred sixty-two".