147172829 has 8 divisors (see below), whose sum is σ = 148832640. Its totient is φ = 145518496.

The previous prime is 147172811. The next prime is 147172843. The reversal of 147172829 is 928271741.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147172829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147172429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75977 + ... + 77889.

It is an arithmetic number, because the mean of its divisors is an integer number (18604080).

Almost surely, 2^147172829 is an apocalyptic number.

It is an amenable number.

147172829 is a deficient number, since it is larger than the sum of its proper divisors (1659811).

147172829 is a wasteful number, since it uses less digits than its factorization.

147172829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2739.

The product of its digits is 56448, while the sum is 41.

The square root of 147172829 is about 12131.4809071275. The cubic root of 147172829 is about 527.9699595034.

The spelling of 147172829 in words is "one hundred forty-seven million, one hundred seventy-two thousand, eight hundred twenty-nine".