1002342445 has 64 divisors (see below), whose sum is σ = 1381847040. Its totient is φ = 693082368.

The previous prime is 1002342443. The next prime is 1002342449. The reversal of 1002342445 is 5442432001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1002342445 - 2¹ = 1002342443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002342443) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 12076374 + ... + 12076456.

It is an arithmetic number, because the mean of its divisors is an integer number (21591360).

Almost surely, 2^1002342445 is an apocalyptic number.

It is an amenable number.

1002342445 is a deficient number, since it is larger than the sum of its proper divisors (379504595).

1002342445 is a wasteful number, since it uses less digits than its factorization.

1002342445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1002342445 is about 31659.7922450543. The cubic root of 1002342445 is about 1000.7802061201.

Adding to 1002342445 its reverse (5442432001), we get a palindrome (6444774446).

The spelling of 1002342445 in words is "one billion, two million, three hundred forty-two thousand, four hundred forty-five".