3545220144 has 40 divisors (see below), whose sum is σ = 9381868272. Its totient is φ = 1152916480.

The previous prime is 3545220073. The next prime is 3545220221. The reversal of 3545220144 is 4410225453.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898749 + ... + 902684.

Almost surely, 2^3545220144 is an apocalyptic number.

It is an amenable number.

3545220144 is an abundant number, since it is smaller than the sum of its proper divisors (5836648128).

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

3545220144 is a wasteful number, since it uses less digits than its factorization.

3545220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801485 (or 1801479 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 3545220144 is about 59541.7512674930. The cubic root of 3545220144 is about 1524.8053348584.

Adding to 3545220144 its reverse (4410225453), we get a palindrome (7955445597).

The spelling of 3545220144 in words is "three billion, five hundred forty-five million, two hundred twenty thousand, one hundred forty-four".