1002545455 has 16 divisors (see below), whose sum is σ = 1225977984. Its totient is φ = 786852000.

The previous prime is 1002545449. The next prime is 1002545461. The reversal of 1002545455 is 5545452001.

It is an interprime number because it is at equal distance from previous prime (1002545449) and next prime (1002545461).

It is not a de Polignac number, because 1002545455 - 2³ = 1002545447 is a prime.

It is a Duffinian number.

It is a congruent 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, 78124 + ... + 90046.

It is an arithmetic number, because the mean of its divisors is an integer number (76623624).

Almost surely, 2^1002545455 is an apocalyptic number.

1002545455 is a deficient number, since it is larger than the sum of its proper divisors (223432529).

1002545455 is a wasteful number, since it uses less digits than its factorization.

1002545455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1002545455 is about 31662.9981997915. The cubic root of 1002545455 is about 1000.8477660896.

Adding to 1002545455 its reverse (5545452001), we get a palindrome (6547997456).

The spelling of 1002545455 in words is "one billion, two million, five hundred forty-five thousand, four hundred fifty-five".