1144905542 has 8 divisors (see below), whose sum is σ = 1873481832. Its totient is φ = 520411600.

The previous prime is 1144905533. The next prime is 1144905551. The reversal of 1144905542 is 2455094411.

It is an interprime number because it is at equal distance from previous prime (1144905533) and next prime (1144905551).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26020559 + ... + 26020602.

It is an arithmetic number, because the mean of its divisors is an integer number (234185229).

Almost surely, 2^1144905542 is an apocalyptic number.

1144905542 is a deficient number, since it is larger than the sum of its proper divisors (728576290).

1144905542 is a wasteful number, since it uses less digits than its factorization.

1144905542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52041174.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1144905542 is about 33836.4528578278. The cubic root of 1144905542 is about 1046.1401875510.

Adding to 1144905542 its reverse (2455094411), we get a palindrome (3599999953).

The spelling of 1144905542 in words is "one billion, one hundred forty-four million, nine hundred five thousand, five hundred forty-two".