149393859 has 8 divisors (see below), whose sum is σ = 199317840. Its totient is φ = 99532896.

The previous prime is 149393837. The next prime is 149393863. The reversal of 149393859 is 958393941.

It is a happy number.

149393859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 149393859 - 2¹¹ = 149391811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149393659) 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, 9912 + ... + 19925.

It is an arithmetic number, because the mean of its divisors is an integer number (24914730).

Almost surely, 2^149393859 is an apocalyptic number.

149393859 is a deficient number, since it is larger than the sum of its proper divisors (49923981).

149393859 is a wasteful number, since it uses less digits than its factorization.

149393859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31509.

The product of its digits is 1049760, while the sum is 51.

The square root of 149393859 is about 12222.6780617015. The cubic root of 149393859 is about 530.6126284815.

The spelling of 149393859 in words is "one hundred forty-nine million, three hundred ninety-three thousand, eight hundred fifty-nine".