142294776 has 64 divisors (see below), whose sum is σ = 386013600. Its totient is φ = 43450368.

The previous prime is 142294769. The next prime is 142294799. The reversal of 142294776 is 677492241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41080 + ... + 44408.

Almost surely, 2^142294776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142294776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193006800).

142294776 is an abundant number, since it is smaller than the sum of its proper divisors (243718824).

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

142294776 is a wasteful number, since it uses less digits than its factorization.

142294776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3484 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 142294776 is about 11928.7374017538. The cubic root of 142294776 is about 522.0710990779.

The spelling of 142294776 in words is "one hundred forty-two million, two hundred ninety-four thousand, seven hundred seventy-six".