255148737 has 4 divisors (see below), whose sum is σ = 340198320. Its totient is φ = 170099156.

The previous prime is 255148727. The next prime is 255148741. The reversal of 255148737 is 737841552.

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 255148737 - 2¹⁶ = 255083201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255148717) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42524787 + ... + 42524792.

It is an arithmetic number, because the mean of its divisors is an integer number (85049580).

Almost surely, 2^255148737 is an apocalyptic number.

It is an amenable number.

255148737 is a deficient number, since it is larger than the sum of its proper divisors (85049583).

255148737 is an equidigital number, since it uses as much as digits as its factorization.

255148737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85049582.

The product of its digits is 235200, while the sum is 42.

The square root of 255148737 is about 15973.3758798821. The cubic root of 255148737 is about 634.2558393540.

The spelling of 255148737 in words is "two hundred fifty-five million, one hundred forty-eight thousand, seven hundred thirty-seven".