149498407 has 2 divisors, whose sum is σ = 149498408. Its totient is φ = 149498406.

The previous prime is 149498387. The next prime is 149498411. The reversal of 149498407 is 704894941.

It is a strong prime.

It is an emirp because it is prime and its reverse (704894941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149498407 - 2¹⁵ = 149465639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149498417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749203 + 74749204.

It is an arithmetic number, because the mean of its divisors is an integer number (74749204).

Almost surely, 2^149498407 is an apocalyptic number.

149498407 is a deficient number, since it is larger than the sum of its proper divisors (1).

149498407 is an equidigital number, since it uses as much as digits as its factorization.

149498407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 149498407 is about 12226.9541178496. The cubic root of 149498407 is about 530.7363764362.

The spelling of 149498407 in words is "one hundred forty-nine million, four hundred ninety-eight thousand, four hundred seven".