1536745945 has 16 divisors (see below), whose sum is σ = 2108177280. Its totient is φ = 1053448704.

The previous prime is 1536745933. The next prime is 1536745961. The reversal of 1536745945 is 5495476351.

It is not a de Polignac number, because 1536745945 - 2⁷ = 1536745817 is a prime.

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, 204169 + ... + 211561.

It is an arithmetic number, because the mean of its divisors is an integer number (131761080).

Almost surely, 2^1536745945 is an apocalyptic number.

It is an amenable number.

1536745945 is a deficient number, since it is larger than the sum of its proper divisors (571431335).

1536745945 is an equidigital number, since it uses as much as digits as its factorization.

1536745945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344.

The product of its digits is 2268000, while the sum is 49.

The square root of 1536745945 is about 39201.3513159942. The cubic root of 1536745945 is about 1153.9864035976.

The spelling of 1536745945 in words is "one billion, five hundred thirty-six million, seven hundred forty-five thousand, nine hundred forty-five".