172345756045 has 8 divisors (see below), whose sum is σ = 213946455960. Its totient is φ = 133122239040.

The previous prime is 172345756007. The next prime is 172345756049. The reversal of 172345756045 is 540657543271.

It can be written as a sum of positive squares in 4 ways, for example, as 12803827716 + 159541928329 = 113154^2 + 399427^2 .

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

It is not a de Polignac number, because 172345756045 - 2⁷ = 172345755917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172345756045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172345756049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594295566 + ... + 594295855.

It is an arithmetic number, because the mean of its divisors is an integer number (26743306995).

Almost surely, 2^172345756045 is an apocalyptic number.

It is an amenable number.

172345756045 is a deficient number, since it is larger than the sum of its proper divisors (41600699915).

172345756045 is a wasteful number, since it uses less digits than its factorization.

172345756045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188591455.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 172345756045 in words is "one hundred seventy-two billion, three hundred forty-five million, seven hundred fifty-six thousand, forty-five".