1154054439 has 16 divisors (see below), whose sum is σ = 1711914240. Its totient is φ = 768377880.

The previous prime is 1154054437. The next prime is 1154054467. The reversal of 1154054439 is 9344504511.

It is a happy number.

It is not a de Polignac number, because 1154054439 - 2¹ = 1154054437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154054437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5907 + ... + 48404.

It is an arithmetic number, because the mean of its divisors is an integer number (106994640).

Almost surely, 2^1154054439 is an apocalyptic number.

1154054439 is a deficient number, since it is larger than the sum of its proper divisors (557859801).

1154054439 is an equidigital number, since it uses as much as digits as its factorization.

1154054439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55107 (or 55101 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1154054439 is about 33971.3767604435. The cubic root of 1154054439 is about 1048.9193535002.

The spelling of 1154054439 in words is "one billion, one hundred fifty-four million, fifty-four thousand, four hundred thirty-nine".