3532421445345 has 48 divisors (see below), whose sum is σ = 6981727111632. Its totient is φ = 1636741877760.

The previous prime is 3532421445341. The next prime is 3532421445353. The reversal of 3532421445345 is 5435441242353.

3532421445345 is a `hidden beast` number, since 3 + 5 + 32 + 42 + 1 + 44 + 534 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 395612066529 + 3136809378816 = 628977^2 + 1771104^2 .

It is not a de Polignac number, because 3532421445345 - 2² = 3532421445341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3532421445345.

It is not an unprimeable number, because it can be changed into a prime (3532421445341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177587916 + ... + 177607805.

It is an arithmetic number, because the mean of its divisors is an integer number (145452648159).

Almost surely, 2^{3532421445345} is an apocalyptic number.

It is an amenable number.

3532421445345 is a deficient number, since it is larger than the sum of its proper divisors (3449305666287).

3532421445345 is a wasteful number, since it uses less digits than its factorization.

3532421445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355195762 (or 355195759 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 45.

Adding to 3532421445345 its reverse (5435441242353), we get a palindrome (8967862687698).

The spelling of 3532421445345 in words is "three trillion, five hundred thirty-two billion, four hundred twenty-one million, four hundred forty-five thousand, three hundred forty-five".