1154775652 has 12 divisors (see below), whose sum is σ = 2021718636. Its totient is φ = 577141760.

The previous prime is 1154775647. The next prime is 1154775653. The reversal of 1154775652 is 2565774511.

It can be written as a sum of positive squares in 2 ways, for example, as 425019456 + 729756196 = 20616^2 + 27014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1154775599 and 1154775608.

It is not an unprimeable number, because it can be changed into a prime (1154775653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50749 + ... + 69892.

It is an arithmetic number, because the mean of its divisors is an integer number (168476553).

Almost surely, 2^1154775652 is an apocalyptic number.

It is an amenable number.

1154775652 is a deficient number, since it is larger than the sum of its proper divisors (866942984).

1154775652 is a wasteful number, since it uses less digits than its factorization.

1154775652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123038 (or 123036 counting only the distinct ones).

The product of its digits is 294000, while the sum is 43.

The square root of 1154775652 is about 33981.9901124110. The cubic root of 1154775652 is about 1049.1378113462.

The spelling of 1154775652 in words is "one billion, one hundred fifty-four million, seven hundred seventy-five thousand, six hundred fifty-two".