149774513 has 8 divisors (see below), whose sum is σ = 171376128. Its totient is φ = 128224224.

The previous prime is 149774503. The next prime is 149774519. The reversal of 149774513 is 315477941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 149774513 - 2¹⁰ = 149773489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149774519) 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 in 7 ways as a sum of consecutive naturals, for example, 6356 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (21422016).

Almost surely, 2^149774513 is an apocalyptic number.

It is an amenable number.

149774513 is a deficient number, since it is larger than the sum of its proper divisors (21601615).

149774513 is an equidigital number, since it uses as much as digits as its factorization.

149774513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25663.

The product of its digits is 105840, while the sum is 41.

The square root of 149774513 is about 12238.2397835636. The cubic root of 149774513 is about 531.0629114132.

The spelling of 149774513 in words is "one hundred forty-nine million, seven hundred seventy-four thousand, five hundred thirteen".