145025857 has 2 divisors, whose sum is σ = 145025858. Its totient is φ = 145025856.

The previous prime is 145025851. The next prime is 145025863. The reversal of 145025857 is 758520541.

It is a balanced prime because it is at equal distance from previous prime (145025851) and next prime (145025863).

It can be written as a sum of positive squares in only one way, i.e., 144384256 + 641601 = 12016^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 145025857 - 2³ = 145025849 is a prime.

It is not a weakly prime, because it can be changed into another prime (145025851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72512928 + 72512929.

It is an arithmetic number, because the mean of its divisors is an integer number (72512929).

Almost surely, 2^145025857 is an apocalyptic number.

It is an amenable number.

145025857 is a deficient number, since it is larger than the sum of its proper divisors (1).

145025857 is an equidigital number, since it uses as much as digits as its factorization.

145025857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 145025857 is about 12042.6681844183. The cubic root of 145025857 is about 525.3900134442.

The spelling of 145025857 in words is "one hundred forty-five million, twenty-five thousand, eight hundred fifty-seven".