202442142 has 16 divisors (see below), whose sum is σ = 462724992. Its totient is φ = 57840600.

The previous prime is 202442129. The next prime is 202442153. The reversal of 202442142 is 241244202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409984 + ... + 2410067.

It is an arithmetic number, because the mean of its divisors is an integer number (28920312).

Almost surely, 2^202442142 is an apocalyptic number.

202442142 is an abundant number, since it is smaller than the sum of its proper divisors (260282850).

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

202442142 is a wasteful number, since it uses less digits than its factorization.

202442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820063.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 202442142 is about 14228.2164026276. The cubic root of 202442142 is about 587.1742133388.

Adding to 202442142 its reverse (241244202), we get a palindrome (443686344).

The spelling of 202442142 in words is "two hundred two million, four hundred forty-two thousand, one hundred forty-two".