1145030421 has 8 divisors (see below), whose sum is σ = 1607060320. Its totient is φ = 723177072.

The previous prime is 1145030407. The next prime is 1145030441. The reversal of 1145030421 is 1240305411.

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

It is not a de Polignac number, because 1145030421 - 2⁶ = 1145030357 is a prime.

It is a super-2 number, since 2×1145030421² = 2622189330030874482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145030441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10044070 + ... + 10044183.

It is an arithmetic number, because the mean of its divisors is an integer number (200882540).

Almost surely, 2^1145030421 is an apocalyptic number.

It is an amenable number.

1145030421 is a deficient number, since it is larger than the sum of its proper divisors (462029899).

1145030421 is a wasteful number, since it uses less digits than its factorization.

1145030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20088275.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1145030421 is about 33838.2981398297. The cubic root of 1145030421 is about 1046.1782216030.

Adding to 1145030421 its reverse (1240305411), we get a palindrome (2385335832).

The spelling of 1145030421 in words is "one billion, one hundred forty-five million, thirty thousand, four hundred twenty-one".