149499845 has 8 divisors (see below), whose sum is σ = 195708960. Its totient is φ = 108727120.

The previous prime is 149499841. The next prime is 149499871. The reversal of 149499845 is 548994941.

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

It is not a de Polignac number, because 149499845 - 2² = 149499841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149499841) 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, 1359035 + ... + 1359144.

It is an arithmetic number, because the mean of its divisors is an integer number (24463620).

Almost surely, 2^149499845 is an apocalyptic number.

It is an amenable number.

149499845 is a deficient number, since it is larger than the sum of its proper divisors (46209115).

149499845 is a wasteful number, since it uses less digits than its factorization.

149499845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718195.

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

The square root of 149499845 is about 12227.0129222145. The cubic root of 149499845 is about 530.7380781187.

It can be divided in two parts, 149 and 499845, that added together give a palindrome (499994).

The spelling of 149499845 in words is "one hundred forty-nine million, four hundred ninety-nine thousand, eight hundred forty-five".