160145731573 has 8 divisors (see below), whose sum is σ = 164149387416. Its totient is φ = 156239670880.

The previous prime is 160145731541. The next prime is 160145731583. The reversal of 160145731573 is 375137541061.

It can be written as a sum of positive squares in 4 ways, for example, as 66562968004 + 93582763569 = 257998^2 + 305913^2 .

It is not a de Polignac number, because 160145731573 - 2⁵ = 160145731541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160145731513) 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, 1092886 + ... + 1230727.

It is an arithmetic number, because the mean of its divisors is an integer number (20518673427).

Almost surely, 2^160145731573 is an apocalyptic number.

It is an amenable number.

160145731573 is a deficient number, since it is larger than the sum of its proper divisors (4003655843).

160145731573 is an frugal number, since it uses more digits than its factorization.

160145731573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323736 (or 2323654 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 160145731573 in words is "one hundred sixty billion, one hundred forty-five million, seven hundred thirty-one thousand, five hundred seventy-three".