202142454 has 8 divisors (see below), whose sum is σ = 404284920. Its totient is φ = 67380816.

The previous prime is 202142453. The next prime is 202142459. The reversal of 202142454 is 454241202.

It is a happy number.

202142454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

202142454 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16845199 + ... + 16845210.

It is an arithmetic number, because the mean of its divisors is an integer number (50535615).

Almost surely, 2^202142454 is an apocalyptic number.

202142454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202142454 is a wasteful number, since it uses less digits than its factorization.

202142454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33690414.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 202142454 is about 14217.6810345429. The cubic root of 202142454 is about 586.8843264472.

Adding to 202142454 its reverse (454241202), we get a palindrome (656383656).

The spelling of 202142454 in words is "two hundred two million, one hundred forty-two thousand, four hundred fifty-four".