149934845 has 8 divisors (see below), whose sum is σ = 180318264. Its totient is φ = 119683584.

The previous prime is 149934823. The next prime is 149934847. The reversal of 149934845 is 548439941.

It can be written as a sum of positive squares in 4 ways, for example, as 89624089 + 60310756 = 9467^2 + 7766^2 .

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 149934845 - 2¹⁰ = 149933821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149934845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149934847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30524 + ... + 35093.

It is an arithmetic number, because the mean of its divisors is an integer number (22539783).

Almost surely, 2^149934845 is an apocalyptic number.

It is an amenable number.

149934845 is a deficient number, since it is larger than the sum of its proper divisors (30383419).

149934845 is an equidigital number, since it uses as much as digits as its factorization.

149934845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66079.

The product of its digits is 622080, while the sum is 47.

The square root of 149934845 is about 12244.7884832691. The cubic root of 149934845 is about 531.2523428732.

The spelling of 149934845 in words is "one hundred forty-nine million, nine hundred thirty-four thousand, eight hundred forty-five".