145728717143 has 16 divisors (see below), whose sum is σ = 157958952480. Its totient is φ = 133937280000.

The previous prime is 145728717137. The next prime is 145728717151. The reversal of 145728717143 is 341717827541.

It is a cyclic number.

It is not a de Polignac number, because 145728717143 - 2¹⁸ = 145728454999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145728717091 and 145728717100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145728717643) 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, 361358 + ... + 649643.

It is an arithmetic number, because the mean of its divisors is an integer number (9872434530).

Almost surely, 2^145728717143 is an apocalyptic number.

145728717143 is a deficient number, since it is larger than the sum of its proper divisors (12230235337).

145728717143 is a wasteful number, since it uses less digits than its factorization.

145728717143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011218.

The product of its digits is 1317120, while the sum is 50.

The spelling of 145728717143 in words is "one hundred forty-five billion, seven hundred twenty-eight million, seven hundred seventeen thousand, one hundred forty-three".