1043140454 has 4 divisors (see below), whose sum is σ = 1564710684. Its totient is φ = 521570226.

The previous prime is 1043140453. The next prime is 1043140457. The reversal of 1043140454 is 4540413401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1043140454² = 2176284013542652232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043140453) by changing a digit.

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 as a sum of consecutive naturals, namely, 260785112 + ... + 260785115.

It is an arithmetic number, because the mean of its divisors is an integer number (391177671).

Almost surely, 2^1043140454 is an apocalyptic number.

1043140454 is a deficient number, since it is larger than the sum of its proper divisors (521570230).

1043140454 is an equidigital number, since it uses as much as digits as its factorization.

1043140454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521570229.

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

The square root of 1043140454 is about 32297.6849634769. The cubic root of 1043140454 is about 1014.1781804948.

Adding to 1043140454 its reverse (4540413401), we get a palindrome (5583553855).

The spelling of 1043140454 in words is "one billion, forty-three million, one hundred forty thousand, four hundred fifty-four".