72145241246 has 16 divisors (see below), whose sum is σ = 117257303184. Its totient is φ = 33093520704.

The previous prime is 72145241227. The next prime is 72145241263. The reversal of 72145241246 is 64214254127.

It is a Curzon number.

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, 8507471 + ... + 8515946.

It is an arithmetic number, because the mean of its divisors is an integer number (7328581449).

Almost surely, 2^72145241246 is an apocalyptic number.

72145241246 is a deficient number, since it is larger than the sum of its proper divisors (45112061938).

72145241246 is a wasteful number, since it uses less digits than its factorization.

72145241246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17023595.

The product of its digits is 107520, while the sum is 38.

The spelling of 72145241246 in words is "seventy-two billion, one hundred forty-five million, two hundred forty-one thousand, two hundred forty-six".