745661153 has 2 divisors, whose sum is σ = 745661154. Its totient is φ = 745661152.

The previous prime is 745661149. The next prime is 745661167. The reversal of 745661153 is 351166547.

745661153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 615883489 + 129777664 = 24817^2 + 11392^2 .

It is a cyclic number.

It is not a de Polignac number, because 745661153 - 2² = 745661149 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (745661143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372830576 + 372830577.

It is an arithmetic number, because the mean of its divisors is an integer number (372830577).

Almost surely, 2^745661153 is an apocalyptic number.

It is an amenable number.

745661153 is a deficient number, since it is larger than the sum of its proper divisors (1).

745661153 is an equidigital number, since it uses as much as digits as its factorization.

745661153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 745661153 is about 27306.7968278962. The cubic root of 745661153 is about 906.8048606366.

The spelling of 745661153 in words is "seven hundred forty-five million, six hundred sixty-one thousand, one hundred fifty-three".