420150005221045 has 32 divisors (see below), whose sum is σ = 550103102148096. Its totient is φ = 305514450753600.

The previous prime is 420150005221019. The next prime is 420150005221049. The reversal of 420150005221045 is 540122500051024.

It is a de Polignac number, because none of the positive numbers 2^k-420150005221045 is a prime.

It is a super-3 number, since 3×420150005221045³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420150005220998 and 420150005221016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420150005221049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16369255302 + ... + 16369280968.

It is an arithmetic number, because the mean of its divisors is an integer number (17190721942128).

Almost surely, 2^{420150005221045} is an apocalyptic number.

It is an amenable number.

420150005221045 is a deficient number, since it is larger than the sum of its proper divisors (129953096927051).

420150005221045 is a wasteful number, since it uses less digits than its factorization.

420150005221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62001.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 420150005221045 its reverse (540122500051024), we get a palindrome (960272505272069).

The spelling of 420150005221045 in words is "four hundred twenty trillion, one hundred fifty billion, five million, two hundred twenty-one thousand, forty-five".