142403902 has 16 divisors (see below), whose sum is σ = 223701120. Its totient is φ = 67859352.

The previous prime is 142403897. The next prime is 142403903. The reversal of 142403902 is 209304241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7549 + ... + 18487.

It is an arithmetic number, because the mean of its divisors is an integer number (13981320).

Almost surely, 2^142403902 is an apocalyptic number.

142403902 is a deficient number, since it is larger than the sum of its proper divisors (81297218).

142403902 is a wasteful number, since it uses less digits than its factorization.

142403902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11247.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 142403902 is about 11933.3106051925. The cubic root of 142403902 is about 522.2045239178.

The spelling of 142403902 in words is "one hundred forty-two million, four hundred three thousand, nine hundred two".