402132345 has 32 divisors (see below), whose sum is σ = 687025152. Its totient is φ = 200367552.

The previous prime is 402132319. The next prime is 402132347. The reversal of 402132345 is 543231204.

It is not a de Polignac number, because 402132345 - 2⁶ = 402132281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402132347) 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 31 ways as a sum of consecutive naturals, for example, 1282 + ... + 28388.

It is an arithmetic number, because the mean of its divisors is an integer number (21469536).

Almost surely, 2^402132345 is an apocalyptic number.

It is an amenable number.

402132345 is a deficient number, since it is larger than the sum of its proper divisors (284892807).

402132345 is a wasteful number, since it uses less digits than its factorization.

402132345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27181.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402132345 is about 20053.2377685001. The cubic root of 402132345 is about 738.1132511036.

Adding to 402132345 its reverse (543231204), we get a palindrome (945363549).

The spelling of 402132345 in words is "four hundred two million, one hundred thirty-two thousand, three hundred forty-five".