172303376146 has 32 divisors (see below), whose sum is σ = 283177814400. Its totient is φ = 77979617280.

The previous prime is 172303376131. The next prime is 172303376177. The reversal of 172303376146 is 641673303271.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140690 + ... + 5174098.

It is an arithmetic number, because the mean of its divisors is an integer number (8849306700).

Almost surely, 2^172303376146 is an apocalyptic number.

172303376146 is a deficient number, since it is larger than the sum of its proper divisors (110874438254).

172303376146 is a wasteful number, since it uses less digits than its factorization.

172303376146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34434.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 172303376146 in words is "one hundred seventy-two billion, three hundred three million, three hundred seventy-six thousand, one hundred forty-six".