773136145 has 12 divisors (see below), whose sum is σ = 969858036. Its totient is φ = 591615200.

The previous prime is 773136137. The next prime is 773136167. The reversal of 773136145 is 541631377.

It can be written as a sum of positive squares in 2 ways, for example, as 454585041 + 318551104 = 21321^2 + 17848^2 .

It is not a de Polignac number, because 773136145 - 2³ = 773136137 is a prime.

It is a super-2 number, since 2×773136145² = 1195478997410922050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143506 + ... + 148795.

It is an arithmetic number, because the mean of its divisors is an integer number (80821503).

Almost surely, 2^773136145 is an apocalyptic number.

It is an amenable number.

773136145 is a deficient number, since it is larger than the sum of its proper divisors (196721891).

773136145 is a wasteful number, since it uses less digits than its factorization.

773136145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292352 (or 292329 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 773136145 is about 27805.3258387669. The cubic root of 773136145 is about 917.8083246815.

The spelling of 773136145 in words is "seven hundred seventy-three million, one hundred thirty-six thousand, one hundred forty-five".