2045023533554 has 4 divisors (see below), whose sum is σ = 3067535300334. Its totient is φ = 1022511766776.

The previous prime is 2045023533551. The next prime is 2045023533589. The reversal of 2045023533554 is 4553353205402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1744187738329 + 300835795225 = 1320677^2 + 548485^2 .

It is not an unprimeable number, because it can be changed into a prime (2045023533551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511255883387 + ... + 511255883390.

Almost surely, 2^{2045023533554} is an apocalyptic number.

2045023533554 is a deficient number, since it is larger than the sum of its proper divisors (1022511766780).

2045023533554 is a wasteful number, since it uses less digits than its factorization.

2045023533554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022511766779.

The product of its (nonzero) digits is 1080000, while the sum is 41.

Adding to 2045023533554 its reverse (4553353205402), we get a palindrome (6598376738956).

The spelling of 2045023533554 in words is "two trillion, forty-five billion, twenty-three million, five hundred thirty-three thousand, five hundred fifty-four".