145345143631 has 2 divisors, whose sum is σ = 145345143632. Its totient is φ = 145345143630.

The previous prime is 145345143577. The next prime is 145345143641. The reversal of 145345143631 is 136341543541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145345143631 is a prime.

It is a super-2 number, since 2×145345143631² (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 (145345143641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72672571815 + 72672571816.

It is an arithmetic number, because the mean of its divisors is an integer number (72672571816).

Almost surely, 2^145345143631 is an apocalyptic number.

145345143631 is a deficient number, since it is larger than the sum of its proper divisors (1).

145345143631 is an equidigital number, since it uses as much as digits as its factorization.

145345143631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 40.

The spelling of 145345143631 in words is "one hundred forty-five billion, three hundred forty-five million, one hundred forty-three thousand, six hundred thirty-one".