1545112043 has 2 divisors, whose sum is σ = 1545112044. Its totient is φ = 1545112042.

The previous prime is 1545112003. The next prime is 1545112057. The reversal of 1545112043 is 3402115451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1545112043 - 2¹² = 1545107947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1545112003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772556021 + 772556022.

It is an arithmetic number, because the mean of its divisors is an integer number (772556022).

Almost surely, 2^1545112043 is an apocalyptic number.

1545112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545112043 is an equidigital number, since it uses as much as digits as its factorization.

1545112043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1545112043 is about 39307.9132363955. The cubic root of 1545112043 is about 1156.0767288522.

Adding to 1545112043 its reverse (3402115451), we get a palindrome (4947227494).

The spelling of 1545112043 in words is "one billion, five hundred forty-five million, one hundred twelve thousand, forty-three".