1545155243683 has 2 divisors, whose sum is σ = 1545155243684. Its totient is φ = 1545155243682.

The previous prime is 1545155243609. The next prime is 1545155243689. The reversal of 1545155243683 is 3863425515451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1545155243683 - 2⁹ = 1545155243171 is a prime.

It is a super-2 number, since 2×1545155243683² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1545155243683.

It is not a weakly prime, because it can be changed into another prime (1545155243689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772577621841 + 772577621842.

It is an arithmetic number, because the mean of its divisors is an integer number (772577621842).

Almost surely, 2^{1545155243683} is an apocalyptic number.

1545155243683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545155243683 is an equidigital number, since it uses as much as digits as its factorization.

1545155243683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640000, while the sum is 52.

The spelling of 1545155243683 in words is "one trillion, five hundred forty-five billion, one hundred fifty-five million, two hundred forty-three thousand, six hundred eighty-three".