142244262 has 40 divisors (see below), whose sum is σ = 324765936. Its totient is φ = 46517328.

The previous prime is 142244261. The next prime is 142244299. The reversal of 142244262 is 262442241.

142244262 is a `hidden beast` number, since 14 + 224 + 426 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244261) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 303 + ... + 16869.

Almost surely, 2^142244262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142244262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162382968).

142244262 is an abundant number, since it is smaller than the sum of its proper divisors (182521674).

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

142244262 is a wasteful number, since it uses less digits than its factorization.

142244262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16634 (or 16625 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 142244262 is about 11926.6198899772. The cubic root of 142244262 is about 522.0093141422.

The spelling of 142244262 in words is "one hundred forty-two million, two hundred forty-four thousand, two hundred sixty-two".