451402 has 16 divisors (see below), whose sum is σ = 815040. Its totient is φ = 183168.

The previous prime is 451397. The next prime is 451411. The reversal of 451402 is 204154.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (50940).

2⁴⁵¹⁴⁰² is an apocalyptic number.

451402 is a deficient number, since it is larger than the sum of its proper divisors (363638).

451402 is a wasteful number, since it uses less digits than its factorization.

451402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 451402 is about 671.8645696865. The cubic root of 451402 is about 76.7104433877.

Adding to 451402 its reverse (204154), we get a palindrome (655556).

The spelling of 451402 in words is "four hundred fifty-one thousand, four hundred two".