142144662 has 64 divisors (see below), whose sum is σ = 328458240. Its totient is φ = 40557600.

The previous prime is 142144661. The next prime is 142144697. The reversal of 142144662 is 266441241.

It is a happy number.

142144662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329587 + ... + 330017.

It is an arithmetic number, because the mean of its divisors is an integer number (5132160).

Almost surely, 2^142144662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142144662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164229120).

142144662 is an abundant number, since it is smaller than the sum of its proper divisors (186313578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142144662 is a wasteful number, since it uses less digits than its factorization.

142144662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its digits is 9216, while the sum is 30.

The square root of 142144662 is about 11922.4436253647. The cubic root of 142144662 is about 521.8874480256.

The spelling of 142144662 in words is "one hundred forty-two million, one hundred forty-four thousand, six hundred sixty-two".