402144502153 has 2 divisors, whose sum is σ = 402144502154. Its totient is φ = 402144502152.

The previous prime is 402144502129. The next prime is 402144502231. The reversal of 402144502153 is 351205441204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218525396089 + 183619106064 = 467467^2 + 428508^2 .

It is a cyclic number.

It is not a de Polignac number, because 402144502153 - 2¹⁷ = 402144371081 is a prime.

It is a super-2 number, since 2×402144502153² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402144502103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072251076 + 201072251077.

It is an arithmetic number, because the mean of its divisors is an integer number (201072251077).

Almost surely, 2^402144502153 is an apocalyptic number.

It is an amenable number.

402144502153 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144502153 is an equidigital number, since it uses as much as digits as its factorization.

402144502153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 402144502153 its reverse (351205441204), we get a palindrome (753349943357).

The spelling of 402144502153 in words is "four hundred two billion, one hundred forty-four million, five hundred two thousand, one hundred fifty-three".