142544757601 has 27 divisors (see below), whose sum is σ = 151383979929. Its totient is φ = 134214849888.

The previous prime is 142544757587. The next prime is 142544757613. The reversal of 142544757601 is 106757445241.

The square root of 142544757601 is 377551.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15221390625 + 127323366976 = 123375^2 + 356824^2 .

It is not a de Polignac number, because 142544757601 - 2¹¹ = 142544755553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142544757661) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 514601875 + ... + 514602151.

Almost surely, 2^142544757601 is an apocalyptic number.

142544757601 is the 377551-st square number.

142544757601 is the 188776-th centered octagonal number.

It is an amenable number.

142544757601 is a deficient number, since it is larger than the sum of its proper divisors (8839222328).

142544757601 is an frugal number, since it uses more digits than its factorization.

142544757601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 142544757601 in words is "one hundred forty-two billion, five hundred forty-four million, seven hundred fifty-seven thousand, six hundred one".