146231159 has 2 divisors, whose sum is σ = 146231160. Its totient is φ = 146231158.

The previous prime is 146231131. The next prime is 146231177. The reversal of 146231159 is 951132641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146231159 - 2¹² = 146227063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146233159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73115579 + 73115580.

It is an arithmetic number, because the mean of its divisors is an integer number (73115580).

Almost surely, 2^146231159 is an apocalyptic number.

146231159 is a deficient number, since it is larger than the sum of its proper divisors (1).

146231159 is an equidigital number, since it uses as much as digits as its factorization.

146231159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 146231159 is about 12092.6076178796. The cubic root of 146231159 is about 526.8414957069.

The spelling of 146231159 in words is "one hundred forty-six million, two hundred thirty-one thousand, one hundred fifty-nine".