149787241 has 8 divisors (see below), whose sum is σ = 158184000. Its totient is φ = 141441840.

The previous prime is 149787223. The next prime is 149787251. The reversal of 149787241 is 142787941.

149787241 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149787241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149787251) 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, 6766 + ... + 18583.

It is an arithmetic number, because the mean of its divisors is an integer number (19773000).

Almost surely, 2^149787241 is an apocalyptic number.

It is an amenable number.

149787241 is a deficient number, since it is larger than the sum of its proper divisors (8396759).

149787241 is a wasteful number, since it uses less digits than its factorization.

149787241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25679.

The product of its digits is 112896, while the sum is 43.

The square root of 149787241 is about 12238.7597819387. The cubic root of 149787241 is about 531.0779544205.

The spelling of 149787241 in words is "one hundred forty-nine million, seven hundred eighty-seven thousand, two hundred forty-one".