745674157 has 2 divisors, whose sum is σ = 745674158. Its totient is φ = 745674156.

The previous prime is 745674131. The next prime is 745674161. The reversal of 745674157 is 751476547.

745674157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 378146916 + 367527241 = 19446^2 + 19171^2 .

It is a cyclic number.

It is not a de Polignac number, because 745674157 - 2¹⁹ = 745149869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745674197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372837078 + 372837079.

It is an arithmetic number, because the mean of its divisors is an integer number (372837079).

Almost surely, 2^745674157 is an apocalyptic number.

It is an amenable number.

745674157 is a deficient number, since it is larger than the sum of its proper divisors (1).

745674157 is an equidigital number, since it uses as much as digits as its factorization.

745674157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 823200, while the sum is 46.

The square root of 745674157 is about 27307.0349360746. The cubic root of 745674157 is about 906.8101320309.

The spelling of 745674157 in words is "seven hundred forty-five million, six hundred seventy-four thousand, one hundred fifty-seven".