5145230402 has 32 divisors (see below), whose sum is σ = 8624070000. Its totient is φ = 2285918208.

The previous prime is 5145230401. The next prime is 5145230429. The reversal of 5145230402 is 2040325415.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 697540921 + 4447689481 = 26411^2 + 66691^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (5145230401) 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 15 ways as a sum of consecutive naturals, for example, 243974 + ... + 264222.

Almost surely, 2^5145230402 is an apocalyptic number.

5145230402 is a deficient number, since it is larger than the sum of its proper divisors (3478839598).

5145230402 is a wasteful number, since it uses less digits than its factorization.

5145230402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20630.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5145230402 is about 71730.2614103699. The cubic root of 5145230402 is about 1726.3742212700.

Adding to 5145230402 its reverse (2040325415), we get a palindrome (7185555817).

The spelling of 5145230402 in words is "five billion, one hundred forty-five million, two hundred thirty thousand, four hundred two".