255148738 has 16 divisors (see below), whose sum is σ = 412699896. Its totient is φ = 117607680.

The previous prime is 255148727. The next prime is 255148741. The reversal of 255148738 is 837841552.

It can be written as a sum of positive squares in 4 ways, for example, as 202977009 + 52171729 = 14247^2 + 7223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 255148694 and 255148703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15370 + ... + 27322.

Almost surely, 2^255148738 is an apocalyptic number.

255148738 is a deficient number, since it is larger than the sum of its proper divisors (157551158).

255148738 is a wasteful number, since it uses less digits than its factorization.

255148738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12789.

The product of its digits is 268800, while the sum is 43.

The square root of 255148738 is about 15973.3759111842. The cubic root of 255148738 is about 634.2558401826.

The spelling of 255148738 in words is "two hundred fifty-five million, one hundred forty-eight thousand, seven hundred thirty-eight".