1025945156 has 6 divisors (see below), whose sum is σ = 1795404030. Its totient is φ = 512972576.

The previous prime is 1025945143. The next prime is 1025945183. The reversal of 1025945156 is 6515495201.

1025945156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 575232256 + 450712900 = 23984^2 + 21230^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128243141 + ... + 128243148.

It is an arithmetic number, because the mean of its divisors is an integer number (299234005).

Almost surely, 2^1025945156 is an apocalyptic number.

It is an amenable number.

1025945156 is a deficient number, since it is larger than the sum of its proper divisors (769458874).

1025945156 is a wasteful number, since it uses less digits than its factorization.

1025945156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256486293 (or 256486291 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 1025945156 is about 32030.3786427822. The cubic root of 1025945156 is about 1008.5746505519.

The spelling of 1025945156 in words is "one billion, twenty-five million, nine hundred forty-five thousand, one hundred fifty-six".