143915892285025 has 27 divisors (see below), whose sum is σ = 207591937626969. Its totient is φ = 98684895365280.

The previous prime is 143915892284981. The next prime is 143915892285041. The reversal of 143915892285025 is 520582298519341.

It is a happy number.

The square root of 143915892285025 is 11996495.

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 229832989281 + 143686059295744 = 479409^2 + 11986912^2 .

It is not a de Polignac number, because 143915892285025 - 2¹¹ = 143915892282977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 419705947 + ... + 420048703.

Almost surely, 2^{143915892285025} is an apocalyptic number.

143915892285025 is the 11996495-th square number.

143915892285025 is the 5998248-th centered octagonal number.

It is an amenable number.

143915892285025 is a deficient number, since it is larger than the sum of its proper divisors (63676045341944).

143915892285025 is an frugal number, since it uses more digits than its factorization.

143915892285025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685538 (or 342769 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 64.

The spelling of 143915892285025 in words is "one hundred forty-three trillion, nine hundred fifteen billion, eight hundred ninety-two million, two hundred eighty-five thousand, twenty-five".