255402149 has 8 divisors (see below), whose sum is σ = 265170432. Its totient is φ = 245729520.

The previous prime is 255402139. The next prime is 255402167. The reversal of 255402149 is 941204552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255402149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255402139) 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 7 ways as a sum of consecutive naturals, for example, 18449 + ... + 29174.

It is an arithmetic number, because the mean of its divisors is an integer number (33146304).

Almost surely, 2^255402149 is an apocalyptic number.

It is an amenable number.

255402149 is a deficient number, since it is larger than the sum of its proper divisors (9768283).

255402149 is a wasteful number, since it uses less digits than its factorization.

255402149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47827.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 255402149 is about 15981.3062357243. The cubic root of 255402149 is about 634.4657494123.

The spelling of 255402149 in words is "two hundred fifty-five million, four hundred two thousand, one hundred forty-nine".