1156522254 has 16 divisors (see below), whose sum is σ = 2313591120. Its totient is φ = 385416320.

The previous prime is 1156522253. The next prime is 1156522277. The reversal of 1156522254 is 4522256511.

It is a super-3 number, since 3×1156522254³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156522253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7912 + ... + 48740.

It is an arithmetic number, because the mean of its divisors is an integer number (144599445).

Almost surely, 2^1156522254 is an apocalyptic number.

1156522254 is an abundant number, since it is smaller than the sum of its proper divisors (1157068866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1156522254 is a wasteful number, since it uses less digits than its factorization.

1156522254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45555.

The product of its digits is 24000, while the sum is 33.

The square root of 1156522254 is about 34007.6793386435. The cubic root of 1156522254 is about 1049.6664863669. Note that the first 3 decimals are identical.

Adding to 1156522254 its reverse (4522256511), we get a palindrome (5678778765).

The spelling of 1156522254 in words is "one billion, one hundred fifty-six million, five hundred twenty-two thousand, two hundred fifty-four".