149499559 has 8 divisors (see below), whose sum is σ = 163286928. Its totient is φ = 135744960.

The previous prime is 149499551. The next prime is 149499599. The reversal of 149499559 is 955994941.

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 149499559 - 2³ = 149499551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149499551) 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, 1899 + ... + 17395.

It is an arithmetic number, because the mean of its divisors is an integer number (20410866).

Almost surely, 2^149499559 is an apocalyptic number.

149499559 is a deficient number, since it is larger than the sum of its proper divisors (13787369).

149499559 is a wasteful number, since it uses less digits than its factorization.

149499559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16385.

The product of its digits is 2624400, while the sum is 55.

The square root of 149499559 is about 12227.0012267931. The cubic root of 149499559 is about 530.7377396765.

The spelling of 149499559 in words is "one hundred forty-nine million, four hundred ninety-nine thousand, five hundred fifty-nine".