1012444545 has 32 divisors (see below), whose sum is σ = 1948769280. Its totient is φ = 438471360.

The previous prime is 1012444483. The next prime is 1012444547. The reversal of 1012444545 is 5454442101.

It is not a de Polignac number, because 1012444545 - 2¹⁰ = 1012443521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012444547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 251751 + ... + 255740.

It is an arithmetic number, because the mean of its divisors is an integer number (60899040).

Almost surely, 2^1012444545 is an apocalyptic number.

1012444545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012444545 is a deficient number, since it is larger than the sum of its proper divisors (936324735).

1012444545 is a wasteful number, since it uses less digits than its factorization.

1012444545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507525.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 1012444545 is about 31818.9337502060. The cubic root of 1012444545 is about 1004.1310922432.

Adding to 1012444545 its reverse (5454442101), we get a palindrome (6466886646).

The spelling of 1012444545 in words is "one billion, twelve million, four hundred forty-four thousand, five hundred forty-five".