1002531145 has 32 divisors (see below), whose sum is σ = 1504613376. Its totient is φ = 622987200.

The previous prime is 1002531113. The next prime is 1002531163. The reversal of 1002531145 is 5411352001.

It is a happy number.

1002531145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002531145 - 2⁵ = 1002531113 is a prime.

It is a super-2 number, since 2×1002531145² = 2010137393390022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123502 + ... + 131368.

It is an arithmetic number, because the mean of its divisors is an integer number (47019168).

Almost surely, 2^1002531145 is an apocalyptic number.

It is an amenable number.

1002531145 is a deficient number, since it is larger than the sum of its proper divisors (502082231).

1002531145 is a wasteful number, since it uses less digits than its factorization.

1002531145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221.

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

The square root of 1002531145 is about 31662.7722254385. The cubic root of 1002531145 is about 1000.8430041443.

Adding to 1002531145 its reverse (5411352001), we get a palindrome (6413883146).

The spelling of 1002531145 in words is "one billion, two million, five hundred thirty-one thousand, one hundred forty-five".