142885494 has 24 divisors (see below), whose sum is σ = 320261760. Its totient is φ = 45985968.

The previous prime is 142885469. The next prime is 142885507. The reversal of 142885494 is 494588241.

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, 136342 + ... + 137385.

It is an arithmetic number, because the mean of its divisors is an integer number (13344240).

Almost surely, 2^142885494 is an apocalyptic number.

142885494 is an abundant number, since it is smaller than the sum of its proper divisors (177376266).

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

142885494 is a wasteful number, since it uses less digits than its factorization.

142885494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273764 (or 273761 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 142885494 is about 11953.4720479031. The cubic root of 142885494 is about 522.7925381203.

The spelling of 142885494 in words is "one hundred forty-two million, eight hundred eighty-five thousand, four hundred ninety-four".