9045387145 has 4 divisors (see below), whose sum is σ = 10854464580. Its totient is φ = 7236309712.

The previous prime is 9045387139. The next prime is 9045387157. The reversal of 9045387145 is 5417835409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5417835409 = 7 ⋅773976487.

It can be written as a sum of positive squares in 2 ways, for example, as 4840124041 + 4205263104 = 69571^2 + 64848^2 .

It is a cyclic number.

It is not a de Polignac number, because 9045387145 - 2⁷ = 9045387017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9045387095 and 9045387104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904538710 + ... + 904538719.

It is an arithmetic number, because the mean of its divisors is an integer number (2713616145).

Almost surely, 2^9045387145 is an apocalyptic number.

It is an amenable number.

9045387145 is a deficient number, since it is larger than the sum of its proper divisors (1809077435).

9045387145 is a wasteful number, since it uses less digits than its factorization.

9045387145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809077434.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 9045387145 is about 95107.2402343796. The cubic root of 9045387145 is about 2083.5745936847.

The spelling of 9045387145 in words is "nine billion, forty-five million, three hundred eighty-seven thousand, one hundred forty-five".