147922172 has 6 divisors (see below), whose sum is σ = 258863808. Its totient is φ = 73961084.

The previous prime is 147922171. The next prime is 147922213. The reversal of 147922172 is 271229741.

147922172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147922171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18490268 + ... + 18490275.

It is an arithmetic number, because the mean of its divisors is an integer number (43143968).

Almost surely, 2^147922172 is an apocalyptic number.

It is an amenable number.

147922172 is a deficient number, since it is larger than the sum of its proper divisors (110941636).

147922172 is a wasteful number, since it uses less digits than its factorization.

147922172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36980547 (or 36980545 counting only the distinct ones).

The product of its digits is 14112, while the sum is 35.

The square root of 147922172 is about 12162.3259288674. The cubic root of 147922172 is about 528.8645110015.

The spelling of 147922172 in words is "one hundred forty-seven million, nine hundred twenty-two thousand, one hundred seventy-two".