147946331 has 8 divisors (see below), whose sum is σ = 167712720. Its totient is φ = 129377952.

The previous prime is 147946319. The next prime is 147946333. The reversal of 147946331 is 133649741.

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 147946331 - 2¹⁰ = 147945307 is a prime.

It is a super-2 number, since 2×147946331² = 43776233712723122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147946333) 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, 299240 + ... + 299733.

It is an arithmetic number, because the mean of its divisors is an integer number (20964090).

Almost surely, 2^147946331 is an apocalyptic number.

147946331 is a deficient number, since it is larger than the sum of its proper divisors (19766389).

147946331 is a wasteful number, since it uses less digits than its factorization.

147946331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599005.

The product of its digits is 54432, while the sum is 38.

The square root of 147946331 is about 12163.3190782779. The cubic root of 147946331 is about 528.8933012363.

The spelling of 147946331 in words is "one hundred forty-seven million, nine hundred forty-six thousand, three hundred thirty-one".