172045304248 has 32 divisors (see below), whose sum is σ = 328854407760. Its totient is φ = 84352602880.

The previous prime is 172045304231. The next prime is 172045304251. The reversal of 172045304248 is 842403540271.

It is a self number, because there is not a number n which added to its sum of digits gives 172045304248.

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, 655836 + ... + 879892.

Almost surely, 2^172045304248 is an apocalyptic number.

It is an amenable number.

172045304248 is a deficient number, since it is larger than the sum of its proper divisors (156809103512).

172045304248 is a wasteful number, since it uses less digits than its factorization.

172045304248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225927 (or 225923 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 172045304248 in words is "one hundred seventy-two billion, forty-five million, three hundred four thousand, two hundred forty-eight".