149884859 has 8 divisors (see below), whose sum is σ = 156853152. Its totient is φ = 142954240.

The previous prime is 149884849. The next prime is 149884913. The reversal of 149884859 is 958488941.

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 149884859 - 2⁴ = 149884843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149884849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 17349.

It is an arithmetic number, because the mean of its divisors is an integer number (19606644).

Almost surely, 2^149884859 is an apocalyptic number.

149884859 is a deficient number, since it is larger than the sum of its proper divisors (6968293).

149884859 is a wasteful number, since it uses less digits than its factorization.

149884859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837.

The product of its digits is 3317760, while the sum is 56.

The square root of 149884859 is about 12242.7471998731. The cubic root of 149884859 is about 531.1932991572.

The spelling of 149884859 in words is "one hundred forty-nine million, eight hundred eighty-four thousand, eight hundred fifty-nine".