142881910 has 8 divisors (see below), whose sum is σ = 257187456. Its totient is φ = 57152760.

The previous prime is 142881877. The next prime is 142881931. The reversal of 142881910 is 19188241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7144086 + ... + 7144105.

It is an arithmetic number, because the mean of its divisors is an integer number (32148432).

Almost surely, 2^142881910 is an apocalyptic number.

142881910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142881910 is a deficient number, since it is larger than the sum of its proper divisors (114305546).

142881910 is a wasteful number, since it uses less digits than its factorization.

142881910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288198.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 142881910 is about 11953.3221323614. The cubic root of 142881910 is about 522.7881670115.

It can be divided in two parts, 1428 and 81910, that added together give a palindrome (83338).

The spelling of 142881910 in words is "one hundred forty-two million, eight hundred eighty-one thousand, nine hundred ten".