1536606945 has 12 divisors (see below), whose sum is σ = 2663452116. Its totient is φ = 819523680.

The previous prime is 1536606943. The next prime is 1536606961. The reversal of 1536606945 is 5496066351.

1536606945 is a `hidden beast` number, since 1 + 5 + 36 + 606 + 9 + 4 + 5 = 666.

1536606945 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1179510336 + 357096609 = 34344^2 + 18897^2 .

It is not a de Polignac number, because 1536606945 - 2¹ = 1536606943 is a prime.

It is a super-2 number, since 2×1536606945² = 4722321806844466050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 34146821 = 1536606945 / (1 + 5 + 3 + 6 + 6 + 0 + 6 + 9 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1536606945.

It is not an unprimeable number, because it can be changed into a prime (1536606943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17073366 + ... + 17073455.

It is an arithmetic number, because the mean of its divisors is an integer number (221954343).

Almost surely, 2^1536606945 is an apocalyptic number.

1536606945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1536606945 is a deficient number, since it is larger than the sum of its proper divisors (1126845171).

1536606945 is a wasteful number, since it uses less digits than its factorization.

1536606945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34146832 (or 34146829 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 1536606945 is about 39199.5783778346. The cubic root of 1536606945 is about 1153.9516095257.

The spelling of 1536606945 in words is "one billion, five hundred thirty-six million, six hundred six thousand, nine hundred forty-five".