142031334 has 16 divisors (see below), whose sum is σ = 284684400. Its totient is φ = 47240160.

The previous prime is 142031333. The next prime is 142031341. The reversal of 142031334 is 433130241.

It is a self number, because there is not a number n which added to its sum of digits gives 142031334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22909 + ... + 28440.

It is an arithmetic number, because the mean of its divisors is an integer number (17792775).

Almost surely, 2^142031334 is an apocalyptic number.

142031334 is an abundant number, since it is smaller than the sum of its proper divisors (142653066).

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

142031334 is a wasteful number, since it uses less digits than its factorization.

142031334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51815.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142031334 is about 11917.6899607264. The cubic root of 142031334 is about 521.7487156832.

Adding to 142031334 its reverse (433130241), we get a palindrome (575161575).

The spelling of 142031334 in words is "one hundred forty-two million, thirty-one thousand, three hundred thirty-four".