1002351145 has 4 divisors (see below), whose sum is σ = 1202821380. Its totient is φ = 801880912.

The previous prime is 1002351139. The next prime is 1002351151. The reversal of 1002351145 is 5411532001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1002351139) and next prime (1002351151).

It can be written as a sum of positive squares in 2 ways, for example, as 263218176 + 739132969 = 16224^2 + 27187^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002351145 - 2¹³ = 1002342953 is a prime.

It is a super-2 number, since 2×1002351145² = 2009415635765622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100235110 + ... + 100235119.

It is an arithmetic number, because the mean of its divisors is an integer number (300705345).

Almost surely, 2^1002351145 is an apocalyptic number.

It is an amenable number.

1002351145 is a deficient number, since it is larger than the sum of its proper divisors (200470235).

1002351145 is an equidigital number, since it uses as much as digits as its factorization.

1002351145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200470234.

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

The square root of 1002351145 is about 31659.9296430046. The cubic root of 1002351145 is about 1000.7831015918.

Adding to 1002351145 its reverse (5411532001), we get a palindrome (6413883146).

It can be divided in two parts, 10023511 and 45, that added together give a square (10023556 = 3166²).

The spelling of 1002351145 in words is "one billion, two million, three hundred fifty-one thousand, one hundred forty-five".