1345455131 has 2 divisors, whose sum is σ = 1345455132. Its totient is φ = 1345455130.

The previous prime is 1345455107. The next prime is 1345455143. The reversal of 1345455131 is 1315545431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345455131 - 2¹⁴ = 1345438747 is a prime.

It is a super-2 number, since 2×1345455131² = 3620499019068454322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1345455031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672727565 + 672727566.

It is an arithmetic number, because the mean of its divisors is an integer number (672727566).

Almost surely, 2^1345455131 is an apocalyptic number.

1345455131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345455131 is an equidigital number, since it uses as much as digits as its factorization.

1345455131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 1345455131 is about 36680.4461668612. The cubic root of 1345455131 is about 1103.9678003259.

The spelling of 1345455131 in words is "one billion, three hundred forty-five million, four hundred fifty-five thousand, one hundred thirty-one".