142445531045 has 16 divisors (see below), whose sum is σ = 185404001328. Its totient is φ = 104637173760.

The previous prime is 142445530993. The next prime is 142445531071. The reversal of 142445531045 is 540135544241.

It can be written as a sum of positive squares in 8 ways, for example, as 2354772676 + 140090758369 = 48526^2 + 374287^2 .

It is not a de Polignac number, because 142445531045 - 2⁸ = 142445530789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20433464 + ... + 20440433.

It is an arithmetic number, because the mean of its divisors is an integer number (11587750083).

Almost surely, 2^142445531045 is an apocalyptic number.

It is an amenable number.

142445531045 is a deficient number, since it is larger than the sum of its proper divisors (42958470283).

142445531045 is a wasteful number, since it uses less digits than its factorization.

142445531045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40873960.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 142445531045 in words is "one hundred forty-two billion, four hundred forty-five million, five hundred thirty-one thousand, forty-five".