172648154262454 has 8 divisors (see below), whose sum is σ = 278893172270160. Its totient is φ = 79683763505736.

The previous prime is 172648154262391. The next prime is 172648154262461. The reversal of 172648154262454 is 454262451846271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×172648154262454² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172648154262392 and 172648154262401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320156812714 + ... + 3320156812765.

It is an arithmetic number, because the mean of its divisors is an integer number (34861646533770).

Almost surely, 2^{172648154262454} is an apocalyptic number.

172648154262454 is a deficient number, since it is larger than the sum of its proper divisors (106245018007706).

172648154262454 is a wasteful number, since it uses less digits than its factorization.

172648154262454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6640313625494.

The product of its digits is 103219200, while the sum is 61.

The spelling of 172648154262454 in words is "one hundred seventy-two trillion, six hundred forty-eight billion, one hundred fifty-four million, two hundred sixty-two thousand, four hundred fifty-four".