149000497 has 2 divisors, whose sum is σ = 149000498. Its totient is φ = 149000496.

The previous prime is 149000479. The next prime is 149000513. The reversal of 149000497 is 794000941.

Together with previous prime (149000479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 24990001 = 11136^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 149000497 - 2¹⁵ = 148967729 is a prime.

It is a super-2 number, since 2×149000497² = 44402296212494018, which contains 22 as substring.

It is equal to p_8391382 and since 149000497 and 8391382 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (149000197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74500248 + 74500249.

It is an arithmetic number, because the mean of its divisors is an integer number (74500249).

Almost surely, 2^149000497 is an apocalyptic number.

It is an amenable number.

149000497 is a deficient number, since it is larger than the sum of its proper divisors (1).

149000497 is an equidigital number, since it uses as much as digits as its factorization.

149000497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 149000497 is about 12206.5759736300. The cubic root of 149000497 is about 530.1465086838.

The spelling of 149000497 in words is "one hundred forty-nine million, four hundred ninety-seven", and thus it is an aban number.