142881050 has 72 divisors (see below), whose sum is σ = 296198676. Its totient is φ = 51217920.

The previous prime is 142881049. The next prime is 142881091. The reversal of 142881050 is 50188241.

It can be written as a sum of positive squares in 18 ways, for example, as 1437601 + 141443449 = 1199^2 + 11893^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 312422 + ... + 312878.

Almost surely, 2^142881050 is an apocalyptic number.

142881050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142881050 is an abundant number, since it is smaller than the sum of its proper divisors (153317626).

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

142881050 is a wasteful number, since it uses less digits than its factorization.

142881050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 142881050 is about 11953.2861590443. The cubic root of 142881050 is about 522.7871181296.

The spelling of 142881050 in words is "one hundred forty-two million, eight hundred eighty-one thousand, fifty".