1151345254 has 4 divisors (see below), whose sum is σ = 1727017884. Its totient is φ = 575672626.

The previous prime is 1151345203. The next prime is 1151345257. The reversal of 1151345254 is 4525431511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4525431511 = 59 ⋅76702229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151345257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287836312 + ... + 287836315.

It is an arithmetic number, because the mean of its divisors is an integer number (431754471).

Almost surely, 2^1151345254 is an apocalyptic number.

1151345254 is a deficient number, since it is larger than the sum of its proper divisors (575672630).

1151345254 is an equidigital number, since it uses as much as digits as its factorization.

1151345254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575672629.

The product of its digits is 12000, while the sum is 31.

The square root of 1151345254 is about 33931.4788065596. The cubic root of 1151345254 is about 1048.0979182007.

Adding to 1151345254 its reverse (4525431511), we get a palindrome (5676776765).

The spelling of 1151345254 in words is "one billion, one hundred fifty-one million, three hundred forty-five thousand, two hundred fifty-four".