202304542 has 8 divisors (see below), whose sum is σ = 331043832. Its totient is φ = 91956600.

The previous prime is 202304521. The next prime is 202304549. The reversal of 202304542 is 245403202.

202304542 is digitally balanced in base 2 and base 3, because in such bases 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.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 9195661 = 202304542 / (2 + 0 + 2 + 3 + 0 + 4 + 5 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202304549) 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, 4597809 + ... + 4597852.

It is an arithmetic number, because the mean of its divisors is an integer number (41380479).

Almost surely, 2^202304542 is an apocalyptic number.

202304542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202304542 is a deficient number, since it is larger than the sum of its proper divisors (128739290).

202304542 is a wasteful number, since it uses less digits than its factorization.

202304542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195674.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 202304542 is about 14223.3801186638. The cubic root of 202304542 is about 587.0411490085.

Adding to 202304542 its reverse (245403202), we get a palindrome (447707744).

The spelling of 202304542 in words is "two hundred two million, three hundred four thousand, five hundred forty-two".