1341251545 has 4 divisors (see below), whose sum is σ = 1609501860. Its totient is φ = 1073001232.

The previous prime is 1341251539. The next prime is 1341251599. The reversal of 1341251545 is 5451521431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5451521431 = 9733 ⋅560107.

It can be written as a sum of positive squares in 2 ways, for example, as 430479504 + 910772041 = 20748^2 + 30179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341251545 - 2²⁵ = 1307697113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134125150 + ... + 134125159.

It is an arithmetic number, because the mean of its divisors is an integer number (402375465).

Almost surely, 2^1341251545 is an apocalyptic number.

It is an amenable number.

1341251545 is a deficient number, since it is larger than the sum of its proper divisors (268250315).

1341251545 is an equidigital number, since it uses as much as digits as its factorization.

1341251545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268250314.

The product of its digits is 12000, while the sum is 31.

The square root of 1341251545 is about 36623.1012477098. The cubic root of 1341251545 is about 1102.8168973671.

Adding to 1341251545 its reverse (5451521431), we get a palindrome (6792772976).

The spelling of 1341251545 in words is "one billion, three hundred forty-one million, two hundred fifty-one thousand, five hundred forty-five".