149684659 has 8 divisors (see below), whose sum is σ = 151388352. Its totient is φ = 147987840.

The previous prime is 149684657. The next prime is 149684663. The reversal of 149684659 is 956486941.

It is a happy number.

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 149684659 - 2¹ = 149684657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149684657) 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, 50889 + ... + 53749.

It is an arithmetic number, because the mean of its divisors is an integer number (18923544).

Almost surely, 2^149684659 is an apocalyptic number.

149684659 is a deficient number, since it is larger than the sum of its proper divisors (1703693).

149684659 is a wasteful number, since it uses less digits than its factorization.

149684659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437.

The product of its digits is 1866240, while the sum is 52.

The square root of 149684659 is about 12234.5681983468. The cubic root of 149684659 is about 530.9566902421.

The spelling of 149684659 in words is "one hundred forty-nine million, six hundred eighty-four thousand, six hundred fifty-nine".