147962231 has 2 divisors, whose sum is σ = 147962232. Its totient is φ = 147962230.

The previous prime is 147962219. The next prime is 147962257. The reversal of 147962231 is 132269741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147962231 - 2¹⁸ = 147700087 is a prime.

It is a super-2 number, since 2×147962231² = 43785643604994722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147962191 and 147962200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147962131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73981115 + 73981116.

It is an arithmetic number, because the mean of its divisors is an integer number (73981116).

Almost surely, 2^147962231 is an apocalyptic number.

147962231 is a deficient number, since it is larger than the sum of its proper divisors (1).

147962231 is an equidigital number, since it uses as much as digits as its factorization.

147962231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 147962231 is about 12163.9726652110. The cubic root of 147962231 is about 528.9122475263.

The spelling of 147962231 in words is "one hundred forty-seven million, nine hundred sixty-two thousand, two hundred thirty-one".