420152406545 has 8 divisors (see below), whose sum is σ = 530718829440. Its totient is φ = 318431297520.

The previous prime is 420152406523. The next prime is 420152406577. The reversal of 420152406545 is 545604251024.

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

It is not a de Polignac number, because 420152406545 - 2⁶ = 420152406481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420152406499 and 420152406508.

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, 2211328361 + ... + 2211328550.

It is an arithmetic number, because the mean of its divisors is an integer number (66339853680).

Almost surely, 2^420152406545 is an apocalyptic number.

It is an amenable number.

420152406545 is a deficient number, since it is larger than the sum of its proper divisors (110566422895).

420152406545 is a wasteful number, since it uses less digits than its factorization.

420152406545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422656935.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 420152406545 its reverse (545604251024), we get a palindrome (965756657569).

The spelling of 420152406545 in words is "four hundred twenty billion, one hundred fifty-two million, four hundred six thousand, five hundred forty-five".