142554222 has 32 divisors (see below), whose sum is σ = 317856000. Its totient is φ = 47357784.

The previous prime is 142554211. The next prime is 142554241. The reversal of 142554222 is 222455241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12279 + ... + 20877.

It is an arithmetic number, because the mean of its divisors is an integer number (9933000).

Almost surely, 2^142554222 is an apocalyptic number.

142554222 is an abundant number, since it is smaller than the sum of its proper divisors (175301778).

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

142554222 is a wasteful number, since it uses less digits than its factorization.

142554222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8917 (or 8911 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 142554222 is about 11939.6072799737. The cubic root of 142554222 is about 522.3882037623.

The spelling of 142554222 in words is "one hundred forty-two million, five hundred fifty-four thousand, two hundred twenty-two".