1545345311 has 2 divisors, whose sum is σ = 1545345312. Its totient is φ = 1545345310.

The previous prime is 1545345199. The next prime is 1545345313. The reversal of 1545345311 is 1135435451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1545345311 - 2¹⁰ = 1545344287 is a prime.

Together with 1545345313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1545345313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772672655 + 772672656.

It is an arithmetic number, because the mean of its divisors is an integer number (772672656).

Almost surely, 2^1545345311 is an apocalyptic number.

1545345311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545345311 is an equidigital number, since it uses as much as digits as its factorization.

1545345311 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1545345311 is about 39310.8803132161. The cubic root of 1545345311 is about 1156.1349041666.

The spelling of 1545345311 in words is "one billion, five hundred forty-five million, three hundred forty-five thousand, three hundred eleven".