1145434430 has 64 divisors (see below), whose sum is σ = 2442147840. Its totient is φ = 378653184.

The previous prime is 1145434379. The next prime is 1145434441. The reversal of 1145434430 is 344345411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1145434393 and 1145434402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235382 + ... + 240198.

It is an arithmetic number, because the mean of its divisors is an integer number (38158560).

Almost surely, 2^1145434430 is an apocalyptic number.

1145434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145434430 is an abundant number, since it is smaller than the sum of its proper divisors (1296713410).

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

1145434430 is a wasteful number, since it uses less digits than its factorization.

1145434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1145434430 is about 33844.2673136825. The cubic root of 1145434430 is about 1046.3012505661.

Adding to 1145434430 its reverse (344345411), we get a palindrome (1489779841).

The spelling of 1145434430 in words is "one billion, one hundred forty-five million, four hundred thirty-four thousand, four hundred thirty".