149885637 has 8 divisors (see below), whose sum is σ = 218015520. Its totient is φ = 90839760.

The previous prime is 149885611. The next prime is 149885639. The reversal of 149885637 is 736588941.

149885637 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 not a de Polignac number, because 149885637 - 2¹¹ = 149883589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149885637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149885639) 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, 2270962 + ... + 2271027.

It is an arithmetic number, because the mean of its divisors is an integer number (27251940).

Almost surely, 2^149885637 is an apocalyptic number.

It is an amenable number.

149885637 is a deficient number, since it is larger than the sum of its proper divisors (68129883).

149885637 is a wasteful number, since it uses less digits than its factorization.

149885637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542003.

The product of its digits is 1451520, while the sum is 51.

The square root of 149885637 is about 12242.7789737461. The cubic root of 149885637 is about 531.1942182353.

The spelling of 149885637 in words is "one hundred forty-nine million, eight hundred eighty-five thousand, six hundred thirty-seven".