149035231 has 2 divisors, whose sum is σ = 149035232. Its totient is φ = 149035230.

The previous prime is 149035189. The next prime is 149035247. The reversal of 149035231 is 132530941.

149035231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149035231 is a prime.

It is a super-2 number, since 2×149035231² = 44423000158446722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149035231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149035531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74517615 + 74517616.

It is an arithmetic number, because the mean of its divisors is an integer number (74517616).

Almost surely, 2^149035231 is an apocalyptic number.

149035231 is a deficient number, since it is larger than the sum of its proper divisors (1).

149035231 is an equidigital number, since it uses as much as digits as its factorization.

149035231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 149035231 is about 12207.9986484272. The cubic root of 149035231 is about 530.1877002201.

The spelling of 149035231 in words is "one hundred forty-nine million, thirty-five thousand, two hundred thirty-one".