142239762 has 48 divisors (see below), whose sum is σ = 353545920. Its totient is φ = 40486176.

The previous prime is 142239761. The next prime is 142239763. The reversal of 142239762 is 267932241.

142239762 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142239761) and next prime (142239763).

It is not an unprimeable number, because it can be changed into a prime (142239761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33664 + ... + 37652.

It is an arithmetic number, because the mean of its divisors is an integer number (7365540).

Almost surely, 2^142239762 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142239762, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176772960).

142239762 is an abundant number, since it is smaller than the sum of its proper divisors (211306158).

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

142239762 is a wasteful number, since it uses less digits than its factorization.

142239762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287 (or 4284 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 142239762 is about 11926.4312348665. The cubic root of 142239762 is about 522.0038093702.

The spelling of 142239762 in words is "one hundred forty-two million, two hundred thirty-nine thousand, seven hundred sixty-two".