172294149548 has 12 divisors (see below), whose sum is σ = 302409466632. Its totient is φ = 85891444800.

The previous prime is 172294149523. The next prime is 172294149553. The reversal of 172294149548 is 845941492271.

It is a junction number, because it is equal to n+sod(n) for n = 172294149493 and 172294149502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63905978 + ... + 63908673.

It is an arithmetic number, because the mean of its divisors is an integer number (25200788886).

Almost surely, 2^172294149548 is an apocalyptic number.

It is an amenable number.

172294149548 is a deficient number, since it is larger than the sum of its proper divisors (130115317084).

172294149548 is a wasteful number, since it uses less digits than its factorization.

172294149548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127814992 (or 127814990 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The spelling of 172294149548 in words is "one hundred seventy-two billion, two hundred ninety-four million, one hundred forty-nine thousand, five hundred forty-eight".