1151045245 has 32 divisors (see below), whose sum is σ = 1606655232. Its totient is φ = 775360512.

The previous prime is 1151045227. The next prime is 1151045257. The reversal of 1151045245 is 5425401511.

It is a cyclic number.

It is not a de Polignac number, because 1151045245 - 2¹³ = 1151037053 is a prime.

It is a super-2 number, since 2×1151045245² = 2649810312074220050, 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 31 ways as a sum of consecutive naturals, for example, 559639 + ... + 561691.

It is an arithmetic number, because the mean of its divisors is an integer number (50207976).

Almost surely, 2^1151045245 is an apocalyptic number.

It is an amenable number.

1151045245 is a deficient number, since it is larger than the sum of its proper divisors (455609987).

1151045245 is a wasteful number, since it uses less digits than its factorization.

1151045245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1151045245 is about 33927.0577120976. The cubic root of 1151045245 is about 1048.0068751006.

Adding to 1151045245 its reverse (5425401511), we get a palindrome (6576446756).

The spelling of 1151045245 in words is "one billion, one hundred fifty-one million, forty-five thousand, two hundred forty-five".