145340245663 has 2 divisors, whose sum is σ = 145340245664. Its totient is φ = 145340245662.

The previous prime is 145340245643. The next prime is 145340245669. The reversal of 145340245663 is 366542043541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145340245663 is a prime.

It is a super-2 number, since 2×145340245663² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145340245669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72670122831 + 72670122832.

It is an arithmetic number, because the mean of its divisors is an integer number (72670122832).

Almost surely, 2^145340245663 is an apocalyptic number.

145340245663 is a deficient number, since it is larger than the sum of its proper divisors (1).

145340245663 is an equidigital number, since it uses as much as digits as its factorization.

145340245663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 145340245663 in words is "one hundred forty-five billion, three hundred forty million, two hundred forty-five thousand, six hundred sixty-three".