1355003645 has 16 divisors (see below), whose sum is σ = 1703520768. Its totient is φ = 1033369920.

The previous prime is 1355003641. The next prime is 1355003647. The reversal of 1355003645 is 5463005531.

It is not a de Polignac number, because 1355003645 - 2² = 1355003641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355003641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54854 + ... + 75623.

It is an arithmetic number, because the mean of its divisors is an integer number (106470048).

Almost surely, 2^1355003645 is an apocalyptic number.

It is an amenable number.

1355003645 is a deficient number, since it is larger than the sum of its proper divisors (348517123).

1355003645 is a wasteful number, since it uses less digits than its factorization.

1355003645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130580.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 1355003645 is about 36810.3741491444. The cubic root of 1355003645 is about 1106.5732168857.

The spelling of 1355003645 in words is "one billion, three hundred fifty-five million, three thousand, six hundred forty-five".