1005544245 has 32 divisors (see below), whose sum is σ = 1702508544. Its totient is φ = 505736000.

The previous prime is 1005544223. The next prime is 1005544283. The reversal of 1005544245 is 5424455001.

It is not a de Polignac number, because 1005544245 - 2⁶ = 1005544181 is a prime.

It is a super-2 number, since 2×1005544245² = 2022238457305240050, which contains 22 as substring.

It is a congruent 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, 3970 + ... + 45020.

It is an arithmetic number, because the mean of its divisors is an integer number (53203392).

Almost surely, 2^1005544245 is an apocalyptic number.

1005544245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1005544245 is a deficient number, since it is larger than the sum of its proper divisors (696964299).

1005544245 is a wasteful number, since it uses less digits than its factorization.

1005544245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41153.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1005544245 is about 31710.3176426853. The cubic root of 1005544245 is about 1001.8446767420.

Adding to 1005544245 its reverse (5424455001), we get a palindrome (6429999246).

The spelling of 1005544245 in words is "one billion, five million, five hundred forty-four thousand, two hundred forty-five".