1151262345 has 32 divisors (see below), whose sum is σ = 2001530880. Its totient is φ = 562921920.

The previous prime is 1151262331. The next prime is 1151262347. The reversal of 1151262345 is 5432621511.

It is not a de Polignac number, because 1151262345 - 2⁵ = 1151262313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151262347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56319 + ... + 73988.

It is an arithmetic number, because the mean of its divisors is an integer number (62547840).

Almost surely, 2^1151262345 is an apocalyptic number.

1151262345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151262345 is a deficient number, since it is larger than the sum of its proper divisors (850268535).

1151262345 is a wasteful number, since it uses less digits than its factorization.

1151262345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130365.

The product of its digits is 7200, while the sum is 30.

The square root of 1151262345 is about 33930.2570724125. The cubic root of 1151262345 is about 1048.0727595624.

Adding to 1151262345 its reverse (5432621511), we get a palindrome (6583883856).

The spelling of 1151262345 in words is "one billion, one hundred fifty-one million, two hundred sixty-two thousand, three hundred forty-five".