420141203042145 has 64 divisors (see below), whose sum is σ = 764080484133120. Its totient is φ = 195427153861632.

The previous prime is 420141203042129. The next prime is 420141203042153. The reversal of 420141203042145 is 541240302141024.

It is not a de Polignac number, because 420141203042145 - 2⁴ = 420141203042129 is a prime.

It is a super-2 number, since 2×420141203042145² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150626662 + ... + 153390591.

It is an arithmetic number, because the mean of its divisors is an integer number (11938757564580).

Almost surely, 2^{420141203042145} is an apocalyptic number.

It is an amenable number.

420141203042145 is a deficient number, since it is larger than the sum of its proper divisors (343939281090975).

420141203042145 is a wasteful number, since it uses less digits than its factorization.

420141203042145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304017666.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 420141203042145 its reverse (541240302141024), we get a palindrome (961381505183169).

The spelling of 420141203042145 in words is "four hundred twenty trillion, one hundred forty-one billion, two hundred three million, forty-two thousand, one hundred forty-five".