1005504545 has 16 divisors (see below), whose sum is σ = 1216518912. Its totient is φ = 797818560.

The previous prime is 1005504497. The next prime is 1005504553. The reversal of 1005504545 is 5454055001.

It is a happy number.

It is not a de Polignac number, because 1005504545 - 2⁶ = 1005504481 is a prime.

It is a super-2 number, since 2×1005504545² = 2022078780031314050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433940 + ... + 436250.

It is an arithmetic number, because the mean of its divisors is an integer number (76032432).

Almost surely, 2^1005504545 is an apocalyptic number.

It is an amenable number.

1005504545 is a deficient number, since it is larger than the sum of its proper divisors (211014367).

1005504545 is a wasteful number, since it uses less digits than its factorization.

1005504545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 1005504545 is about 31709.6916572836. The cubic root of 1005504545 is about 1001.8314919228.

Adding to 1005504545 its reverse (5454055001), we get a palindrome (6459559546).

The spelling of 1005504545 in words is "one billion, five million, five hundred four thousand, five hundred forty-five".