149859494 has 8 divisors (see below), whose sum is σ = 224851440. Its totient is φ = 74909016.

The previous prime is 149859491. The next prime is 149859511. The reversal of 149859494 is 494958941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149859491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (28106430).

Almost surely, 2^149859494 is an apocalyptic number.

149859494 is a deficient number, since it is larger than the sum of its proper divisors (74991946).

149859494 is a wasteful number, since it uses less digits than its factorization.

149859494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20734.

The product of its digits is 1866240, while the sum is 53.

The square root of 149859494 is about 12241.7112365878. The cubic root of 149859494 is about 531.1633328701.

The spelling of 149859494 in words is "one hundred forty-nine million, eight hundred fifty-nine thousand, four hundred ninety-four".