149689582 has 8 divisors (see below), whose sum is σ = 256610736. Its totient is φ = 64152672.

The previous prime is 149689577. The next prime is 149689597. The reversal of 149689582 is 285986941.

149689582 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5346043 + ... + 5346070.

It is an arithmetic number, because the mean of its divisors is an integer number (32076342).

Almost surely, 2^149689582 is an apocalyptic number.

149689582 is a deficient number, since it is larger than the sum of its proper divisors (106921154).

149689582 is a wasteful number, since it uses less digits than its factorization.

149689582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10692122.

The product of its digits is 1244160, while the sum is 52.

The square root of 149689582 is about 12234.7693889178. The cubic root of 149689582 is about 530.9625110816.

The spelling of 149689582 in words is "one hundred forty-nine million, six hundred eighty-nine thousand, five hundred eighty-two".