1563201445 has 16 divisors (see below), whose sum is σ = 2024839152. Its totient is φ = 1151677440.

The previous prime is 1563201407. The next prime is 1563201457. The reversal of 1563201445 is 5441023651.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 747584964 + 815616481 = 27342^2 + 28559^2 .

It is not a de Polignac number, because 1563201445 - 2¹⁷ = 1563070373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375 + ... + 55915.

It is an arithmetic number, because the mean of its divisors is an integer number (126552447).

Almost surely, 2^1563201445 is an apocalyptic number.

It is an amenable number.

1563201445 is a deficient number, since it is larger than the sum of its proper divisors (461637707).

1563201445 is a wasteful number, since it uses less digits than its factorization.

1563201445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55992.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1563201445 is about 39537.3424119528. The cubic root of 1563201445 is about 1160.5708261203.

The spelling of 1563201445 in words is "one billion, five hundred sixty-three million, two hundred one thousand, four hundred forty-five".