147181149 has 24 divisors (see below), whose sum is σ = 220077312. Its totient is φ = 94685760.

The previous prime is 147181147. The next prime is 147181171. The reversal of 147181149 is 941181741.

It is a happy number.

It is not a de Polignac number, because 147181149 - 2¹ = 147181147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147181147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156609 + ... + 157545.

It is an arithmetic number, because the mean of its divisors is an integer number (9169888).

Almost surely, 2^147181149 is an apocalyptic number.

It is an amenable number.

147181149 is a deficient number, since it is larger than the sum of its proper divisors (72896163).

147181149 is a wasteful number, since it uses less digits than its factorization.

147181149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1534 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 147181149 is about 12131.8238117770. The cubic root of 147181149 is about 527.9799084125.

The spelling of 147181149 in words is "one hundred forty-seven million, one hundred eighty-one thousand, one hundred forty-nine".