925420912144 has 45 divisors (see below), whose sum is σ = 1857186643143. Its totient is φ = 446701051776.

The previous prime is 925420912081. The next prime is 925420912151. The reversal of 925420912144 is 441219024529.

The square root of 925420912144 is 961988.

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 68152323600 + 857268588544 = 261060^2 + 925888^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 925420912144.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 111586462 + ... + 111594754.

Almost surely, 2^925420912144 is an apocalyptic number.

925420912144 is the 961988-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 925420912144

925420912144 is an abundant number, since it is smaller than the sum of its proper divisors (931765730999).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

925420912144 is an frugal number, since it uses more digits than its factorization.

925420912144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652 (or 8324 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 925420912144 in words is "nine hundred twenty-five billion, four hundred twenty million, nine hundred twelve thousand, one hundred forty-four".