270144149 has 4 divisors (see below), whose sum is σ = 294702720. Its totient is φ = 245585580.

The previous prime is 270144107. The next prime is 270144151. The reversal of 270144149 is 941441072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 270144149 - 2²⁰ = 269095573 is a prime.

It is a super-2 number, since 2×270144149² = 145955722477868402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270144169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12279269 + ... + 12279290.

It is an arithmetic number, because the mean of its divisors is an integer number (73675680).

Almost surely, 2^270144149 is an apocalyptic number.

It is an amenable number.

270144149 is a deficient number, since it is larger than the sum of its proper divisors (24558571).

270144149 is a wasteful number, since it uses less digits than its factorization.

270144149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558570.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 270144149 is about 16436.0624542498. The cubic root of 270144149 is about 646.4454086225.

The spelling of 270144149 in words is "two hundred seventy million, one hundred forty-four thousand, one hundred forty-nine".