1154340441 has 6 divisors (see below), whose sum is σ = 1667380650. Its totient is φ = 769560288.

The previous prime is 1154340437. The next prime is 1154340469. The reversal of 1154340441 is 1440434511.

It can be written as a sum of positive squares in only one way, i.e., 1153281600 + 1058841 = 33960^2 + 1029^2 .

It is not a de Polignac number, because 1154340441 - 2² = 1154340437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154340431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64130016 + ... + 64130033.

It is an arithmetic number, because the mean of its divisors is an integer number (277896775).

Almost surely, 2^1154340441 is an apocalyptic number.

It is an amenable number.

1154340441 is a deficient number, since it is larger than the sum of its proper divisors (513040209).

1154340441 is a wasteful number, since it uses less digits than its factorization.

1154340441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128260055 (or 128260052 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1154340441 is about 33975.5859552120. The cubic root of 1154340441 is about 1049.0059953559.

Adding to 1154340441 its reverse (1440434511), we get a palindrome (2594774952).

It can be divided in two parts, 11543 and 40441, that added together give a square (51984 = 228²).

The spelling of 1154340441 in words is "one billion, one hundred fifty-four million, three hundred forty thousand, four hundred forty-one".