149408967 has 4 divisors (see below), whose sum is σ = 199211960. Its totient is φ = 99605976.

The previous prime is 149408953. The next prime is 149408969. The reversal of 149408967 is 769804941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769804941 = 3 ⋅256601647.

It is not a de Polignac number, because 149408967 - 2¹⁹ = 148884679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149408969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24901492 + ... + 24901497.

It is an arithmetic number, because the mean of its divisors is an integer number (49802990).

Almost surely, 2^149408967 is an apocalyptic number.

149408967 is a deficient number, since it is larger than the sum of its proper divisors (49802993).

149408967 is an equidigital number, since it uses as much as digits as its factorization.

149408967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49802992.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 149408967 is about 12223.2960775725. The cubic root of 149408967 is about 530.6305145924.

The spelling of 149408967 in words is "one hundred forty-nine million, four hundred eight thousand, nine hundred sixty-seven".