1154430442 has 32 divisors (see below), whose sum is σ = 1906012800. Its totient is φ = 520058880.

The previous prime is 1154430437. The next prime is 1154430457. The reversal of 1154430442 is 2440344511.

It is a self number, because there is not a number n which added to its sum of digits gives 1154430442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000458 + ... + 2001034.

It is an arithmetic number, because the mean of its divisors is an integer number (59562900).

Almost surely, 2^1154430442 is an apocalyptic number.

1154430442 is a deficient number, since it is larger than the sum of its proper divisors (751582358).

1154430442 is a wasteful number, since it uses less digits than its factorization.

1154430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1154430442 is about 33976.9104245810. The cubic root of 1154430442 is about 1049.0332574274.

Adding to 1154430442 its reverse (2440344511), we get a palindrome (3594774953).

The spelling of 1154430442 in words is "one billion, one hundred fifty-four million, four hundred thirty thousand, four hundred forty-two".