402045133 has 4 divisors (see below), whose sum is σ = 459480160. Its totient is φ = 344610108.

The previous prime is 402045113. The next prime is 402045143. The reversal of 402045133 is 331540204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402045133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402045103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28717503 + ... + 28717516.

It is an arithmetic number, because the mean of its divisors is an integer number (114870040).

Almost surely, 2^402045133 is an apocalyptic number.

It is an amenable number.

402045133 is a deficient number, since it is larger than the sum of its proper divisors (57435027).

402045133 is an equidigital number, since it uses as much as digits as its factorization.

402045133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57435026.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 402045133 is about 20051.0631388962. The cubic root of 402045133 is about 738.0598880854.

Adding to 402045133 its reverse (331540204), we get a palindrome (733585337).

The spelling of 402045133 in words is "four hundred two million, forty-five thousand, one hundred thirty-three".