1020113545 has 16 divisors (see below), whose sum is σ = 1348394112. Its totient is φ = 734693760.

The previous prime is 1020113539. The next prime is 1020113573. The reversal of 1020113545 is 5453110201.

It is a happy number.

It is not a de Polignac number, because 1020113545 - 2⁵ = 1020113513 is a prime.

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, 84372 + ... + 95701.

It is an arithmetic number, because the mean of its divisors is an integer number (84274632).

Almost surely, 2^1020113545 is an apocalyptic number.

It is an amenable number.

1020113545 is a deficient number, since it is larger than the sum of its proper divisors (328280567).

1020113545 is a wasteful number, since it uses less digits than its factorization.

1020113545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180192.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1020113545 is about 31939.2164118032. The cubic root of 1020113545 is about 1006.6600601270.

Adding to 1020113545 its reverse (5453110201), we get a palindrome (6473223746).

The spelling of 1020113545 in words is "one billion, twenty million, one hundred thirteen thousand, five hundred forty-five".