2145336255 has 24 divisors (see below), whose sum is σ = 3721704480. Its totient is φ = 1143218880.

The previous prime is 2145336241. The next prime is 2145336283. The reversal of 2145336255 is 5526335412.

2145336255 is a `hidden beast` number, since 2 + 14 + 533 + 62 + 55 = 666.

It is not a de Polignac number, because 2145336255 - 2⁵ = 2145336223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35910 + ... + 74700.

It is an arithmetic number, because the mean of its divisors is an integer number (155071020).

Almost surely, 2^2145336255 is an apocalyptic number.

2145336255 is a deficient number, since it is larger than the sum of its proper divisors (1576368225).

2145336255 is a wasteful number, since it uses less digits than its factorization.

2145336255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40031 (or 40028 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 2145336255 is about 46317.7747198632. The cubic root of 2145336255 is about 1289.7289767751.

The spelling of 2145336255 in words is "two billion, one hundred forty-five million, three hundred thirty-six thousand, two hundred fifty-five".