1026143545 has 48 divisors (see below), whose sum is σ = 1596620160. Its totient is φ = 627346944.

The previous prime is 1026143539. The next prime is 1026143557. The reversal of 1026143545 is 5453416201.

It is a happy number.

It is not a de Polignac number, because 1026143545 - 2¹³ = 1026135353 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72652 + ... + 85618.

It is an arithmetic number, because the mean of its divisors is an integer number (33262920).

Almost surely, 2^1026143545 is an apocalyptic number.

It is an amenable number.

1026143545 is a deficient number, since it is larger than the sum of its proper divisors (570476615).

1026143545 is a wasteful number, since it uses less digits than its factorization.

1026143545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022 (or 13015 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1026143545 is about 32033.4753812321. The cubic root of 1026143545 is about 1008.6396563726.

Adding to 1026143545 its reverse (5453416201), we get a palindrome (6479559746).

The spelling of 1026143545 in words is "one billion, twenty-six million, one hundred forty-three thousand, five hundred forty-five".