142232874 has 64 divisors (see below), whose sum is σ = 342503424. Its totient is φ = 38497536.

The previous prime is 142232869. The next prime is 142232887. The reversal of 142232874 is 478232241.

It is a happy number.

142232874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108507 + ... + 109809.

It is an arithmetic number, because the mean of its divisors is an integer number (5351616).

Almost surely, 2^142232874 is an apocalyptic number.

142232874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142232874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171251712).

142232874 is an abundant number, since it is smaller than the sum of its proper divisors (200270550).

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

142232874 is a wasteful number, since it uses less digits than its factorization.

142232874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its digits is 21504, while the sum is 33.

The square root of 142232874 is about 11926.1424609972. The cubic root of 142232874 is about 521.9953831743.

The spelling of 142232874 in words is "one hundred forty-two million, two hundred thirty-two thousand, eight hundred seventy-four".