145403630440507 has 2 divisors, whose sum is σ = 145403630440508. Its totient is φ = 145403630440506.

The previous prime is 145403630440493. The next prime is 145403630440511. The reversal of 145403630440507 is 705044036304541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145403630440507 is a prime.

It is a super-2 number, since 2×145403630440507² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145403630449507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72701815220253 + 72701815220254.

It is an arithmetic number, because the mean of its divisors is an integer number (72701815220254).

Almost surely, 2^{145403630440507} is an apocalyptic number.

145403630440507 is a deficient number, since it is larger than the sum of its proper divisors (1).

145403630440507 is an equidigital number, since it uses as much as digits as its factorization.

145403630440507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 145403630440507 in words is "one hundred forty-five trillion, four hundred three billion, six hundred thirty million, four hundred forty thousand, five hundred seven".