242145615064 has 32 divisors (see below), whose sum is σ = 480320640000. Its totient is φ = 114124155552.

The previous prime is 242145615043. The next prime is 242145615077. The reversal of 242145615064 is 460516541242.

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, 3972424 + ... + 4032919.

It is an arithmetic number, because the mean of its divisors is an integer number (15010020000).

Almost surely, 2^242145615064 is an apocalyptic number.

It is an amenable number.

242145615064 is a deficient number, since it is larger than the sum of its proper divisors (238175024936).

242145615064 is a wasteful number, since it uses less digits than its factorization.

242145615064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8005567 (or 8005563 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 242145615064 in words is "two hundred forty-two billion, one hundred forty-five million, six hundred fifteen thousand, sixty-four".