142409910 has 16 divisors (see below), whose sum is σ = 341783856. Its totient is φ = 37975968.

The previous prime is 142409873. The next prime is 142409977. The reversal of 142409910 is 19904241.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4746997 = 142409910 / (1 + 4 + 2 + 4 + 0 + 9 + 9 + 1 + 0).

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, 2373469 + ... + 2373528.

It is an arithmetic number, because the mean of its divisors is an integer number (21361491).

Almost surely, 2^142409910 is an apocalyptic number.

142409910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142409910 is an abundant number, since it is smaller than the sum of its proper divisors (199373946).

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

142409910 is a wasteful number, since it uses less digits than its factorization.

142409910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747007.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 142409910 is about 11933.5623348605. The cubic root of 142409910 is about 522.2118677256.

The spelling of 142409910 in words is "one hundred forty-two million, four hundred nine thousand, nine hundred ten".