149813461 has 16 divisors (see below), whose sum is σ = 180662400. Its totient is φ = 121359168.

The previous prime is 149813453. The next prime is 149813471. The reversal of 149813461 is 164318941.

It is not a de Polignac number, because 149813461 - 2³ = 149813453 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 149813461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149813471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66591 + ... + 68803.

It is an arithmetic number, because the mean of its divisors is an integer number (11291400).

Almost surely, 2^149813461 is an apocalyptic number.

It is an amenable number.

149813461 is a deficient number, since it is larger than the sum of its proper divisors (30848939).

149813461 is a wasteful number, since it uses less digits than its factorization.

149813461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748.

The product of its digits is 20736, while the sum is 37.

The square root of 149813461 is about 12239.8309220348. The cubic root of 149813461 is about 531.1089407079.

The spelling of 149813461 in words is "one hundred forty-nine million, eight hundred thirteen thousand, four hundred sixty-one".