420113543021145 has 64 divisors (see below), whose sum is σ = 790977443639040. Its totient is φ = 210833728809984.

The previous prime is 420113543021141. The next prime is 420113543021147. The reversal of 420113543021145 is 541120345311024.

420113543021145 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 1 + 3 + 5 + 430 + 211 + 4 + 5 = 666.

It is not a de Polignac number, because 420113543021145 - 2² = 420113543021141 is a prime.

It is a super-2 number, since 2×420113543021145² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420113543021141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9964402 + ... + 30651531.

It is an arithmetic number, because the mean of its divisors is an integer number (12359022556860).

Almost surely, 2^{420113543021145} is an apocalyptic number.

420113543021145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420113543021145 is a deficient number, since it is larger than the sum of its proper divisors (370863900617895).

420113543021145 is a wasteful number, since it uses less digits than its factorization.

420113543021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40620471 (or 40620465 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 420113543021145 its reverse (541120345311024), we get a palindrome (961233888332169).

The spelling of 420113543021145 in words is "four hundred twenty trillion, one hundred thirteen billion, five hundred forty-three million, twenty-one thousand, one hundred forty-five".