223142542 has 8 divisors (see below), whose sum is σ = 382530096. Its totient is φ = 95632512.

The previous prime is 223142539. The next prime is 223142551. The reversal of 223142542 is 245241322.

223142542 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.

It is a super-3 number, since 3×223142542³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7969363 + ... + 7969390.

It is an arithmetic number, because the mean of its divisors is an integer number (47816262).

Almost surely, 2^223142542 is an apocalyptic number.

223142542 is a deficient number, since it is larger than the sum of its proper divisors (159387554).

223142542 is a wasteful number, since it uses less digits than its factorization.

223142542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938762.

The product of its digits is 3840, while the sum is 25.

The square root of 223142542 is about 14937.9564198052. The cubic root of 223142542 is about 606.5418786258.

Adding to 223142542 its reverse (245241322), we get a palindrome (468383864).

The spelling of 223142542 in words is "two hundred twenty-three million, one hundred forty-two thousand, five hundred forty-two".