142737894 has 24 divisors (see below), whose sum is σ = 333055632. Its totient is φ = 43919280.

The previous prime is 142737883. The next prime is 142737901. The reversal of 142737894 is 498737241.

142737894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304762 + ... + 305229.

It is an arithmetic number, because the mean of its divisors is an integer number (13877318).

Almost surely, 2^142737894 is an apocalyptic number.

142737894 is an abundant number, since it is smaller than the sum of its proper divisors (190317738).

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

142737894 is a wasteful number, since it uses less digits than its factorization.

142737894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610012 (or 610009 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 142737894 is about 11947.2965142747. The cubic root of 142737894 is about 522.6124620752.

The spelling of 142737894 in words is "one hundred forty-two million, seven hundred thirty-seven thousand, eight hundred ninety-four".