243416542 has 16 divisors (see below), whose sum is σ = 371976192. Its totient is φ = 119440440.

The previous prime is 243416527. The next prime is 243416587. The reversal of 243416542 is 245614342.

It is a super-2 number, since 2×243416542² = 118503225838475528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27823 + ... + 35509.

It is an arithmetic number, because the mean of its divisors is an integer number (23248512).

Almost surely, 2^243416542 is an apocalyptic number.

243416542 is a deficient number, since it is larger than the sum of its proper divisors (128559650).

243416542 is a wasteful number, since it uses less digits than its factorization.

243416542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 23040, while the sum is 31.

The square root of 243416542 is about 15601.8121383383. The cubic root of 243416542 is about 624.3815039822.

The spelling of 243416542 in words is "two hundred forty-three million, four hundred sixteen thousand, five hundred forty-two".