142420902 has 32 divisors (see below), whose sum is σ = 313893888. Its totient is φ = 42801696.

The previous prime is 142420877. The next prime is 142420907. The reversal of 142420902 is 209024241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142420907) 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, 17878 + ... + 24585.

It is an arithmetic number, because the mean of its divisors is an integer number (9809184).

Almost surely, 2^142420902 is an apocalyptic number.

142420902 is an abundant number, since it is smaller than the sum of its proper divisors (171472986).

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

142420902 is a wasteful number, since it uses less digits than its factorization.

142420902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42524.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142420902 is about 11934.0228757951. The cubic root of 142420902 is about 522.2253031322.

The spelling of 142420902 in words is "one hundred forty-two million, four hundred twenty thousand, nine hundred two".