1345255215 has 16 divisors (see below), whose sum is σ = 2202465408. Its totient is φ = 700783776.

The previous prime is 1345255193. The next prime is 1345255217. The reversal of 1345255215 is 5125525431.

It is not a de Polignac number, because 1345255215 - 2⁵ = 1345255183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345255217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1042189 + ... + 1043478.

It is an arithmetic number, because the mean of its divisors is an integer number (137654088).

Almost surely, 2^1345255215 is an apocalyptic number.

1345255215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345255215 is a deficient number, since it is larger than the sum of its proper divisors (857210193).

1345255215 is a wasteful number, since it uses less digits than its factorization.

1345255215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085718.

The product of its digits is 30000, while the sum is 33.

The square root of 1345255215 is about 36677.7209624589. The cubic root of 1345255215 is about 1103.9131195086.

The spelling of 1345255215 in words is "one billion, three hundred forty-five million, two hundred fifty-five thousand, two hundred fifteen".