3781230144 has 28 divisors (see below), whose sum is σ = 10004505264. Its totient is φ = 1260409984.

The previous prime is 3781230143. The next prime is 3781230161. The reversal of 3781230144 is 4410321873.

It is not an unprimeable number, because it can be changed into a prime (3781230143) 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, 9846762 + ... + 9847145.

Almost surely, 2^3781230144 is an apocalyptic number.

It is an amenable number.

3781230144 is an abundant number, since it is smaller than the sum of its proper divisors (6223275120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3781230144 is a wasteful number, since it uses less digits than its factorization.

3781230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19693922 (or 19693912 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 3781230144 is about 61491.7079287931. The cubic root of 3781230144 is about 1557.9171941184.

The spelling of 3781230144 in words is "three billion, seven hundred eighty-one million, two hundred thirty thousand, one hundred forty-four".