230540542 has 4 divisors (see below), whose sum is σ = 345810816. Its totient is φ = 115270270.

The previous prime is 230540491. The next prime is 230540543. The reversal of 230540542 is 245045032.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230540543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57635134 + ... + 57635137.

It is an arithmetic number, because the mean of its divisors is an integer number (86452704).

Almost surely, 2^230540542 is an apocalyptic number.

230540542 is a deficient number, since it is larger than the sum of its proper divisors (115270274).

230540542 is a wasteful number, since it uses less digits than its factorization.

230540542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115270273.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 230540542 is about 15183.5615716471. The cubic root of 230540542 is about 613.1721718052.

Adding to 230540542 its reverse (245045032), we get a palindrome (475585574).

The spelling of 230540542 in words is "two hundred thirty million, five hundred forty thousand, five hundred forty-two".