1545461342429 has 2 divisors, whose sum is σ = 1545461342430. Its totient is φ = 1545461342428.

The previous prime is 1545461342351. The next prime is 1545461342497. The reversal of 1545461342429 is 9242431645451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1532619240100 + 12842102329 = 1237990^2 + 113323^2 .

It is an emirp because it is prime and its reverse (9242431645451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1545461342429 - 2²⁴ = 1545444565213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1545461345429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 772730671214 + 772730671215.

It is an arithmetic number, because the mean of its divisors is an integer number (772730671215).

Almost surely, 2^{1545461342429} is an apocalyptic number.

It is an amenable number.

1545461342429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1545461342429 is an equidigital number, since it uses as much as digits as its factorization.

1545461342429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 50.

The spelling of 1545461342429 in words is "one trillion, five hundred forty-five billion, four hundred sixty-one million, three hundred forty-two thousand, four hundred twenty-nine".