402460143 has 4 divisors (see below), whose sum is σ = 536613528. Its totient is φ = 268306760.

The previous prime is 402460103. The next prime is 402460151. The reversal of 402460143 is 341064204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402460143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402460103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67076688 + ... + 67076693.

It is an arithmetic number, because the mean of its divisors is an integer number (134153382).

Almost surely, 2^402460143 is an apocalyptic number.

402460143 is a deficient number, since it is larger than the sum of its proper divisors (134153385).

402460143 is a wasteful number, since it uses less digits than its factorization.

402460143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134153384.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 402460143 is about 20061.4092974547. The cubic root of 402460143 is about 738.3137541949.

The spelling of 402460143 in words is "four hundred two million, four hundred sixty thousand, one hundred forty-three".