149000431 has 2 divisors, whose sum is σ = 149000432. Its totient is φ = 149000430.

The previous prime is 149000363. The next prime is 149000459. The reversal of 149000431 is 134000941.

149000431 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 not a de Polignac number, because 149000431 - 2¹¹ = 148998383 is a prime.

It is a super-2 number, since 2×149000431² = 44402256876371522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149003431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74500215 + 74500216.

It is an arithmetic number, because the mean of its divisors is an integer number (74500216).

Almost surely, 2^149000431 is an apocalyptic number.

149000431 is a deficient number, since it is larger than the sum of its proper divisors (1).

149000431 is an equidigital number, since it uses as much as digits as its factorization.

149000431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 149000431 is about 12206.5732701688. The cubic root of 149000431 is about 530.1464304074.

The spelling of 149000431 in words is "one hundred forty-nine million, four hundred thirty-one", and thus it is an aban number.