1355256045 has 96 divisors (see below), whose sum is σ = 2819142144. Its totient is φ = 593510400.

The previous prime is 1355256037. The next prime is 1355256053. The reversal of 1355256045 is 5406525531.

1355256045 is a `hidden beast` number, since 1 + 3 + 5 + 52 + 560 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (1355256037) and next prime (1355256053).

It is not a de Polignac number, because 1355256045 - 2³ = 1355256037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 300205 + ... + 304685.

It is an arithmetic number, because the mean of its divisors is an integer number (29366064).

Almost surely, 2^1355256045 is an apocalyptic number.

1355256045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355256045 is an abundant number, since it is smaller than the sum of its proper divisors (1463886099).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355256045 is a wasteful number, since it uses less digits than its factorization.

1355256045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 1355256045 is about 36813.8023708500. The cubic root of 1355256045 is about 1106.6419206959.

The spelling of 1355256045 in words is "one billion, three hundred fifty-five million, two hundred fifty-six thousand, forty-five".