149321189241 has 27 divisors (see below), whose sum is σ = 250913865423. Its totient is φ = 85321756800.

The previous prime is 149321189207. The next prime is 149321189249. The reversal of 149321189241 is 142981123941.

The square root of 149321189241 is 386421.

It is a perfect power (a square), and thus also a powerful number.

149321189241 is a `hidden beast` number, since 1 + 4 + 9 + 321 + 1 + 89 + 241 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67273315641 + 82047873600 = 259371^2 + 286440^2 .

It is not a de Polignac number, because 149321189241 - 2⁷ = 149321189113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149321189249) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8105641 + ... + 8124041.

Almost surely, 2^149321189241 is an apocalyptic number.

149321189241 is the 386421-st square number.

149321189241 is the 193211-st centered octagonal number.

It is an amenable number.

149321189241 is a deficient number, since it is larger than the sum of its proper divisors (101592676182).

149321189241 is an frugal number, since it uses more digits than its factorization.

149321189241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36822 (or 18411 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The spelling of 149321189241 in words is "one hundred forty-nine billion, three hundred twenty-one million, one hundred eighty-nine thousand, two hundred forty-one".