4345151221032 has 128 divisors (see below), whose sum is σ = 11470035456000. Its totient is φ = 1367904948480.

The previous prime is 4345151221031. The next prime is 4345151221043. The reversal of 4345151221032 is 2301221515434.

It is a junction number, because it is equal to n+sod(n) for n = 4345151220984 and 4345151221002.

It is not an unprimeable number, because it can be changed into a prime (4345151221031) 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, 624389569 + ... + 624396527.

It is an arithmetic number, because the mean of its divisors is an integer number (89609652000).

Almost surely, 2^{4345151221032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345151221032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5735017728000).

4345151221032 is an abundant number, since it is smaller than the sum of its proper divisors (7124884234968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4345151221032 is a wasteful number, since it uses less digits than its factorization.

4345151221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031 (or 11027 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 4345151221032 its reverse (2301221515434), we get a palindrome (6646372736466).

The spelling of 4345151221032 in words is "four trillion, three hundred forty-five billion, one hundred fifty-one million, two hundred twenty-one thousand, thirty-two".