145017372523 has 8 divisors (see below), whose sum is σ = 146806058000. Its totient is φ = 143234680320.

The previous prime is 145017372503. The next prime is 145017372541. The reversal of 145017372523 is 325273710541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145017372523 - 2²¹ = 145015275371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145017372503) 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 in 7 ways as a sum of consecutive naturals, for example, 1449618 + ... + 1546423.

It is an arithmetic number, because the mean of its divisors is an integer number (18350757250).

Almost surely, 2^145017372523 is an apocalyptic number.

145017372523 is a deficient number, since it is larger than the sum of its proper divisors (1788685477).

145017372523 is an equidigital number, since it uses as much as digits as its factorization.

145017372523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996637.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 145017372523 in words is "one hundred forty-five billion, seventeen million, three hundred seventy-two thousand, five hundred twenty-three".