142678844280625 has 45 divisors (see below), whose sum is σ = 188176611409677. Its totient is φ = 108131245002000.

The previous prime is 142678844280607. The next prime is 142678844280689. The reversal of 142678844280625 is 526082448876241.

The square root of 142678844280625 is 11944825.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11186021391601 + 131492822889024 = 3344551^2 + 11467032^2 .

It is not a de Polignac number, because 142678844280625 - 2⁴¹ = 140479821025073 is a prime.

It is a super-3 number, since 3×142678844280625³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5673779302 + ... + 5673804448.

Almost surely, 2^{142678844280625} is an apocalyptic number.

142678844280625 is the 11944825-th square number.

142678844280625 is the 5972413-rd centered octagonal number.

It is an amenable number.

142678844280625 is a deficient number, since it is larger than the sum of its proper divisors (45497767129052).

142678844280625 is an frugal number, since it uses more digits than its factorization.

142678844280625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50352 (or 25171 counting only the distinct ones).

The product of its (nonzero) digits is 330301440, while the sum is 67.

The spelling of 142678844280625 in words is "one hundred forty-two trillion, six hundred seventy-eight billion, eight hundred forty-four million, two hundred eighty thousand, six hundred twenty-five".