402454142103 has 32 divisors (see below), whose sum is σ = 581969449152. Its totient is φ = 245914905600.

The previous prime is 402454142093. The next prime is 402454142137. The reversal of 402454142103 is 301241454204.

It is not a de Polignac number, because 402454142103 - 2⁶ = 402454142039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402454142143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9045973 + ... + 9090353.

It is an arithmetic number, because the mean of its divisors is an integer number (18186545286).

Almost surely, 2^402454142103 is an apocalyptic number.

402454142103 is a deficient number, since it is larger than the sum of its proper divisors (179515307049).

402454142103 is a wasteful number, since it uses less digits than its factorization.

402454142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46035.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 402454142103 its reverse (301241454204), we get a palindrome (703695596307).

The spelling of 402454142103 in words is "four hundred two billion, four hundred fifty-four million, one hundred forty-two thousand, one hundred three".