9020142 has 24 divisors (see below), whose sum is σ = 19614816. Its totient is φ = 2995776.

The previous prime is 9020113. The next prime is 9020147. The reversal of 9020142 is 2410209.

9020142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5323 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (817284).

Almost surely, 2^9020142 is an apocalyptic number.

9020142 is an abundant number, since it is smaller than the sum of its proper divisors (10594674).

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

9020142 is a wasteful number, since it uses less digits than its factorization.

9020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 9020142 is about 3003.3551238573. The cubic root of 9020142 is about 208.1634409421.

The spelling of 9020142 in words is "nine million, twenty thousand, one hundred forty-two".