40003045145 has 32 divisors (see below), whose sum is σ = 55581292800. Its totient is φ = 27072596736.

The previous prime is 40003045133. The next prime is 40003045163. The reversal of 40003045145 is 54154030004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40003045145 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 987551 + ... + 1027259.

It is an arithmetic number, because the mean of its divisors is an integer number (1736915400).

Almost surely, 2^40003045145 is an apocalyptic number.

It is an amenable number.

40003045145 is a deficient number, since it is larger than the sum of its proper divisors (15578247655).

40003045145 is a wasteful number, since it uses less digits than its factorization.

40003045145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40097.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40003045145 its reverse (54154030004), we get a palindrome (94157075149).

The spelling of 40003045145 in words is "forty billion, three million, forty-five thousand, one hundred forty-five".