1140645425 has 24 divisors (see below), whose sum is σ = 1426992000. Its totient is φ = 904438080.

The previous prime is 1140645421. The next prime is 1140645431. The reversal of 1140645425 is 5245460411.

It is not a de Polignac number, because 1140645425 - 2² = 1140645421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1140645391 and 1140645400.

It is not an unprimeable number, because it can be changed into a prime (1140645421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2085002 + ... + 2085548.

It is an arithmetic number, because the mean of its divisors is an integer number (59458000).

Almost surely, 2^1140645425 is an apocalyptic number.

It is an amenable number.

1140645425 is a deficient number, since it is larger than the sum of its proper divisors (286346575).

1140645425 is a wasteful number, since it uses less digits than its factorization.

1140645425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1140645425 is about 33773.4425991784. The cubic root of 1140645425 is about 1044.8410356245.

The spelling of 1140645425 in words is "one billion, one hundred forty million, six hundred forty-five thousand, four hundred twenty-five".