145700977683556 has 27 divisors (see below), whose sum is σ = 255749844043659. Its totient is φ = 72630259540608.

The previous prime is 145700977683539. The next prime is 145700977683557. The reversal of 145700977683556 is 655386779007541.

The square root of 145700977683556 is 12070666.

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 12811173732900 + 132889803950656 = 3579270^2 + 11527784^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145700977683557) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8135619930 + ... + 8135637838.

Almost surely, 2^{145700977683556} is an apocalyptic number.

145700977683556 is the 12070666-th square number.

It is an amenable number.

145700977683556 is a deficient number, since it is larger than the sum of its proper divisors (110048866360103).

145700977683556 is an frugal number, since it uses more digits than its factorization.

145700977683556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36496 (or 18248 counting only the distinct ones).

The product of its (nonzero) digits is 1333584000, while the sum is 73.

The spelling of 145700977683556 in words is "one hundred forty-five trillion, seven hundred billion, nine hundred seventy-seven million, six hundred eighty-three thousand, five hundred fifty-six".