142902903 has 16 divisors (see below), whose sum is σ = 223848576. Its totient is φ = 79945440.

The previous prime is 142902869. The next prime is 142902911. The reversal of 142902903 is 309209241.

It is not a de Polignac number, because 142902903 - 2²⁰ = 141854327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142902913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166125 + ... + 166982.

It is an arithmetic number, because the mean of its divisors is an integer number (13990536).

Almost surely, 2^142902903 is an apocalyptic number.

142902903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142902903 is a deficient number, since it is larger than the sum of its proper divisors (80945673).

142902903 is a wasteful number, since it uses less digits than its factorization.

142902903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333134.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 142902903 is about 11954.2002241890. The cubic root of 142902903 is about 522.8137694000.

The spelling of 142902903 in words is "one hundred forty-two million, nine hundred two thousand, nine hundred three".