1023255545 has 16 divisors (see below), whose sum is σ = 1391960640. Its totient is φ = 715863744.

The previous prime is 1023255521. The next prime is 1023255613. The reversal of 1023255545 is 5455523201.

It is a cyclic number.

It is not a de Polignac number, because 1023255545 - 2¹⁶ = 1023190009 is a prime.

It is a Curzon 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, 413039 + ... + 415508.

It is an arithmetic number, because the mean of its divisors is an integer number (86997540).

Almost surely, 2^1023255545 is an apocalyptic number.

It is an amenable number.

1023255545 is a deficient number, since it is larger than the sum of its proper divisors (368705095).

1023255545 is a wasteful number, since it uses less digits than its factorization.

1023255545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828584.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1023255545 is about 31988.3657757004. The cubic root of 1023255545 is about 1007.6925217084.

Adding to 1023255545 its reverse (5455523201), we get a palindrome (6478778746).

The spelling of 1023255545 in words is "one billion, twenty-three million, two hundred fifty-five thousand, five hundred forty-five".