1040144453 has 8 divisors (see below), whose sum is σ = 1059761760. Its totient is φ = 1020593520.

The previous prime is 1040144431. The next prime is 1040144459. The reversal of 1040144453 is 3544410401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1040144453 - 2⁶ = 1040144389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040144459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15626 + ... + 48212.

It is an arithmetic number, because the mean of its divisors is an integer number (132470220).

Almost surely, 2^1040144453 is an apocalyptic number.

It is an amenable number.

1040144453 is a deficient number, since it is larger than the sum of its proper divisors (19617307).

1040144453 is an equidigital number, since it uses as much as digits as its factorization.

1040144453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33187.

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

The square root of 1040144453 is about 32251.2705641189. The cubic root of 1040144453 is about 1013.2063099547.

Adding to 1040144453 its reverse (3544410401), we get a palindrome (4584554854).

The spelling of 1040144453 in words is "one billion, forty million, one hundred forty-four thousand, four hundred fifty-three".