3545625442 has 8 divisors (see below), whose sum is σ = 5318765532. Its totient is φ = 1772703600.

The previous prime is 3545625439. The next prime is 3545625443. The reversal of 3545625442 is 2445265453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3020711521 + 524913921 = 54961^2 + 22911^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3545625395 and 3545625404.

It is not an unprimeable number, because it can be changed into a prime (3545625443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4909 + ... + 84352.

Almost surely, 2^3545625442 is an apocalyptic number.

3545625442 is a deficient number, since it is larger than the sum of its proper divisors (1773140090).

3545625442 is a wasteful number, since it uses less digits than its factorization.

3545625442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109124.

The product of its digits is 576000, while the sum is 40.

The square root of 3545625442 is about 59545.1546475446. The cubic root of 3545625442 is about 1524.8634391019.

The spelling of 3545625442 in words is "three billion, five hundred forty-five million, six hundred twenty-five thousand, four hundred forty-two".