1045421430 has 32 divisors (see below), whose sum is σ = 2514758400. Its totient is φ = 278140512.

The previous prime is 1045421389. The next prime is 1045421431. The reversal of 1045421430 is 341245401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045421430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045421431) 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, 26520 + ... + 52859.

It is an arithmetic number, because the mean of its divisors is an integer number (78586200).

Almost surely, 2^1045421430 is an apocalyptic number.

1045421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045421430 is an abundant number, since it is smaller than the sum of its proper divisors (1469336970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045421430 is a wasteful number, since it uses less digits than its factorization.

1045421430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79828.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1045421430 is about 32332.9774379039. The cubic root of 1045421430 is about 1014.9168576287.

Adding to 1045421430 its reverse (341245401), we get a palindrome (1386666831).

The spelling of 1045421430 in words is "one billion, forty-five million, four hundred twenty-one thousand, four hundred thirty".