421145435 has 8 divisors (see below), whose sum is σ = 508594416. Its totient is φ = 334769760.

The previous prime is 421145429. The next prime is 421145441. The reversal of 421145435 is 534541124.

It is an interprime number because it is at equal distance from previous prime (421145429) and next prime (421145441).

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

It is not a de Polignac number, because 421145435 - 2¹⁰ = 421144411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421145398 and 421145407.

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, 267461 + ... + 269030.

It is an arithmetic number, because the mean of its divisors is an integer number (63574302).

Almost surely, 2^421145435 is an apocalyptic number.

421145435 is a deficient number, since it is larger than the sum of its proper divisors (87448981).

421145435 is a wasteful number, since it uses less digits than its factorization.

421145435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536653.

The product of its digits is 9600, while the sum is 29.

The square root of 421145435 is about 20521.8282567611. The cubic root of 421145435 is about 749.5674157276.

Adding to 421145435 its reverse (534541124), we get a palindrome (955686559).

The spelling of 421145435 in words is "four hundred twenty-one million, one hundred forty-five thousand, four hundred thirty-five".