145436611364523 has 16 divisors (see below), whose sum is σ = 215461883683200. Its totient is φ = 96957634161960.

The previous prime is 145436611364503. The next prime is 145436611364537. The reversal of 145436611364523 is 325463116634541.

145436611364523 is a `hidden beast` number, since 1 + 4 + 5 + 43 + 6 + 6 + 1 + 13 + 64 + 523 = 666.

It is not a de Polignac number, because 145436611364523 - 2¹² = 145436611360427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145436611364523.

It is not an unprimeable number, because it can be changed into a prime (145436611364503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27826288 + ... + 32637026.

It is an arithmetic number, because the mean of its divisors is an integer number (13466367730200).

Almost surely, 2^{145436611364523} is an apocalyptic number.

145436611364523 is a deficient number, since it is larger than the sum of its proper divisors (70025272318677).

145436611364523 is a wasteful number, since it uses less digits than its factorization.

145436611364523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930439 (or 5930433 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 54.

The spelling of 145436611364523 in words is "one hundred forty-five trillion, four hundred thirty-six billion, six hundred eleven million, three hundred sixty-four thousand, five hundred twenty-three".