1156034245 has 4 divisors (see below), whose sum is σ = 1387241100. Its totient is φ = 924827392.

The previous prime is 1156034207. The next prime is 1156034291. The reversal of 1156034245 is 5424306511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 448846596 + 707187649 = 21186^2 + 26593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156034245 - 2¹¹ = 1156032197 is a prime.

It is a super-2 number, since 2×1156034245² = 2672830351225440050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115603420 + ... + 115603429.

It is an arithmetic number, because the mean of its divisors is an integer number (346810275).

Almost surely, 2^1156034245 is an apocalyptic number.

It is an amenable number.

1156034245 is a deficient number, since it is larger than the sum of its proper divisors (231206855).

1156034245 is an equidigital number, since it uses as much as digits as its factorization.

1156034245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231206854.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1156034245 is about 34000.5035992116. The cubic root of 1156034245 is about 1049.5188256374.

The spelling of 1156034245 in words is "one billion, one hundred fifty-six million, thirty-four thousand, two hundred forty-five".