1145421430 has 16 divisors (see below), whose sum is σ = 2065579344. Its totient is φ = 457319520.

The previous prime is 1145421391. The next prime is 1145421463. The reversal of 1145421430 is 341245411.

It is a junction number, because it is equal to n+sod(n) for n = 1145421395 and 1145421404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100452 + ... + 111271.

It is an arithmetic number, because the mean of its divisors is an integer number (129098709).

Almost surely, 2^1145421430 is an apocalyptic number.

1145421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145421430 is a deficient number, since it is larger than the sum of its proper divisors (920157914).

1145421430 is a wasteful number, since it uses less digits than its factorization.

1145421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212271.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1145421430 is about 33844.0752569781. The cubic root of 1145421430 is about 1046.2972922520.

Adding to 1145421430 its reverse (341245411), we get a palindrome (1486666841).

The spelling of 1145421430 in words is "one billion, one hundred forty-five million, four hundred twenty-one thousand, four hundred thirty".