145749869992573 has 128 divisors (see below), whose sum is σ = 197941297397760. Its totient is φ = 103861541329920.

The previous prime is 145749869992549. The next prime is 145749869992583. The reversal of 145749869992573 is 375299968947541.

It is a de Polignac number, because none of the positive numbers 2^k-145749869992573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145749869992583) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4680605838 + ... + 4680636976.

It is an arithmetic number, because the mean of its divisors is an integer number (1546416385920).

Almost surely, 2^{145749869992573} is an apocalyptic number.

It is an amenable number.

145749869992573 is a deficient number, since it is larger than the sum of its proper divisors (52191427405187).

145749869992573 is a wasteful number, since it uses less digits than its factorization.

145749869992573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31967.

The product of its digits is 37035532800, while the sum is 88.

The spelling of 145749869992573 in words is "one hundred forty-five trillion, seven hundred forty-nine billion, eight hundred sixty-nine million, nine hundred ninety-two thousand, five hundred seventy-three".