149933479 has 2 divisors, whose sum is σ = 149933480. Its totient is φ = 149933478.

The previous prime is 149933477. The next prime is 149933491. The reversal of 149933479 is 974339941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149933479 - 2¹ = 149933477 is a prime.

Together with 149933477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149933477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74966739 + 74966740.

It is an arithmetic number, because the mean of its divisors is an integer number (74966740).

Almost surely, 2^149933479 is an apocalyptic number.

149933479 is a deficient number, since it is larger than the sum of its proper divisors (1).

149933479 is an equidigital number, since it uses as much as digits as its factorization.

149933479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 149933479 is about 12244.7327043100. The cubic root of 149933479 is about 531.2507295215.

The spelling of 149933479 in words is "one hundred forty-nine million, nine hundred thirty-three thousand, four hundred seventy-nine".