147172055 has 8 divisors (see below), whose sum is σ = 184285152. Its totient is φ = 112618528.

The previous prime is 147172037. The next prime is 147172061. The reversal of 147172055 is 550271741.

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

It is a cyclic number.

It is not a de Polignac number, because 147172055 - 2⁸ = 147171799 is a prime.

It is a super-2 number, since 2×147172055² = 43319227545846050, which contains 22 as substring.

It is a Duffinian 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, 639764 + ... + 639993.

It is an arithmetic number, because the mean of its divisors is an integer number (23035644).

Almost surely, 2^147172055 is an apocalyptic number.

147172055 is a deficient number, since it is larger than the sum of its proper divisors (37113097).

147172055 is a wasteful number, since it uses less digits than its factorization.

147172055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279785.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 147172055 is about 12131.4490066109. The cubic root of 147172055 is about 527.9690339488.

The spelling of 147172055 in words is "one hundred forty-seven million, one hundred seventy-two thousand, fifty-five".