1154040344 has 8 divisors (see below), whose sum is σ = 2163825660. Its totient is φ = 577020168.

The previous prime is 1154040337. The next prime is 1154040347. The reversal of 1154040344 is 4430404511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154040347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72127514 + ... + 72127529.

Almost surely, 2^1154040344 is an apocalyptic number.

It is an amenable number.

1154040344 is a deficient number, since it is larger than the sum of its proper divisors (1009785316).

1154040344 is a wasteful number, since it uses less digits than its factorization.

1154040344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144255049 (or 144255045 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1154040344 is about 33971.1693057510. The cubic root of 1154040344 is about 1048.9150831706.

Adding to 1154040344 its reverse (4430404511), we get a palindrome (5584444855).

The spelling of 1154040344 in words is "one billion, one hundred fifty-four million, forty thousand, three hundred forty-four".