2154315244 has 6 divisors (see below), whose sum is σ = 3770051684. Its totient is φ = 1077157620.

The previous prime is 2154315187. The next prime is 2154315277. The reversal of 2154315244 is 4425134512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269289402 + ... + 269289409.

Almost surely, 2^2154315244 is an apocalyptic number.

It is an amenable number.

2154315244 is a deficient number, since it is larger than the sum of its proper divisors (1615736440).

2154315244 is a wasteful number, since it uses less digits than its factorization.

2154315244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538578815 (or 538578813 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 2154315244 is about 46414.6016249197. The cubic root of 2154315244 is about 1291.5257959021.

Adding to 2154315244 its reverse (4425134512), we get a palindrome (6579449756).

The spelling of 2154315244 in words is "two billion, one hundred fifty-four million, three hundred fifteen thousand, two hundred forty-four".