1157300285 has 16 divisors (see below), whose sum is σ = 1397513520. Its totient is φ = 920025600.

The previous prime is 1157300233. The next prime is 1157300297. The reversal of 1157300285 is 5820037511.

It can be written as a sum of positive squares in 8 ways, for example, as 605848996 + 551451289 = 24614^2 + 23483^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1157300285 is a prime.

It is a super-2 number, since 2×1157300285² = 2678687899322162450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607835 + ... + 609735.

It is an arithmetic number, because the mean of its divisors is an integer number (87344595).

Almost surely, 2^1157300285 is an apocalyptic number.

It is an amenable number.

1157300285 is a deficient number, since it is larger than the sum of its proper divisors (240213235).

1157300285 is a wasteful number, since it uses less digits than its factorization.

1157300285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 1157300285 is about 34019.1164641294. The cubic root of 1157300285 is about 1049.9018154601.

Adding to 1157300285 its reverse (5820037511), we get a palindrome (6977337796).

The spelling of 1157300285 in words is "one billion, one hundred fifty-seven million, three hundred thousand, two hundred eighty-five".