4220551532145 has 96 divisors (see below), whose sum is σ = 7745593185792. Its totient is φ = 1954786369536.

The previous prime is 4220551532123. The next prime is 4220551532161. The reversal of 4220551532145 is 5412351550224.

It is not a de Polignac number, because 4220551532145 - 2¹⁵ = 4220551499377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112760904 + ... + 112798326.

It is an arithmetic number, because the mean of its divisors is an integer number (80683262352).

Almost surely, 2^{4220551532145} is an apocalyptic number.

It is an amenable number.

4220551532145 is a deficient number, since it is larger than the sum of its proper divisors (3525041653647).

4220551532145 is a wasteful number, since it uses less digits than its factorization.

4220551532145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40091 (or 40078 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 4220551532145 in words is "four trillion, two hundred twenty billion, five hundred fifty-one million, five hundred thirty-two thousand, one hundred forty-five".