147390231 has 8 divisors (see below), whose sum is σ = 198068224. Its totient is φ = 97486200.

The previous prime is 147390223. The next prime is 147390241. The reversal of 147390231 is 132093741.

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

It is not a de Polignac number, because 147390231 - 2³ = 147390223 is a prime.

It is a super-2 number, since 2×147390231² = 43447760388466722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147390241) 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, 193045 + ... + 193806.

It is an arithmetic number, because the mean of its divisors is an integer number (24758528).

Almost surely, 2^147390231 is an apocalyptic number.

147390231 is a deficient number, since it is larger than the sum of its proper divisors (50677993).

147390231 is a wasteful number, since it uses less digits than its factorization.

147390231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386981.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 147390231 is about 12140.4378421867. The cubic root of 147390231 is about 528.2298019715.

The spelling of 147390231 in words is "one hundred forty-seven million, three hundred ninety thousand, two hundred thirty-one".