145144315310531 has 2 divisors, whose sum is σ = 145144315310532. Its totient is φ = 145144315310530.

The previous prime is 145144315310509. The next prime is 145144315310539. The reversal of 145144315310531 is 135013513441541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145144315310531 is a prime.

It is a super-2 number, since 2×145144315310531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145144315310539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72572157655265 + 72572157655266.

It is an arithmetic number, because the mean of its divisors is an integer number (72572157655266).

Almost surely, 2^{145144315310531} is an apocalyptic number.

145144315310531 is a deficient number, since it is larger than the sum of its proper divisors (1).

145144315310531 is an equidigital number, since it uses as much as digits as its factorization.

145144315310531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 145144315310531 in words is "one hundred forty-five trillion, one hundred forty-four billion, three hundred fifteen million, three hundred ten thousand, five hundred thirty-one".