142919544 has 32 divisors (see below), whose sum is σ = 378317520. Its totient is φ = 44837376.

The previous prime is 142919533. The next prime is 142919551. The reversal of 142919544 is 445919241.

142919544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174739 + ... + 175554.

Almost surely, 2^142919544 is an apocalyptic number.

It is an amenable number.

142919544 is an abundant number, since it is smaller than the sum of its proper divisors (235397976).

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

142919544 is a wasteful number, since it uses less digits than its factorization.

142919544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350319 (or 350315 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 142919544 is about 11954.8962354342. The cubic root of 142919544 is about 522.8340624476.

The spelling of 142919544 in words is "one hundred forty-two million, nine hundred nineteen thousand, five hundred forty-four".