145334434507 has 2 divisors, whose sum is σ = 145334434508. Its totient is φ = 145334434506.

The previous prime is 145334434463. The next prime is 145334434523. The reversal of 145334434507 is 705434433541.

It is a strong prime.

It is an emirp because it is prime and its reverse (705434433541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145334434507 - 2¹⁵ = 145334401739 is a prime.

It is a super-2 number, since 2×145334434507² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145334434547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72667217253 + 72667217254.

It is an arithmetic number, because the mean of its divisors is an integer number (72667217254).

Almost surely, 2^145334434507 is an apocalyptic number.

145334434507 is a deficient number, since it is larger than the sum of its proper divisors (1).

145334434507 is an equidigital number, since it uses as much as digits as its factorization.

145334434507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 43.

The spelling of 145334434507 in words is "one hundred forty-five billion, three hundred thirty-four million, four hundred thirty-four thousand, five hundred seven".