402345120143 has 8 divisors (see below), whose sum is σ = 408334706640. Its totient is φ = 396388175040.

The previous prime is 402345120131. The next prime is 402345120167. The reversal of 402345120143 is 341021543204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402345120143 - 2⁴ = 402345120127 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 (402345120173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8135513 + ... + 8184818.

It is an arithmetic number, because the mean of its divisors is an integer number (51041838330).

Almost surely, 2^402345120143 is an apocalyptic number.

402345120143 is a deficient number, since it is larger than the sum of its proper divisors (5989586497).

402345120143 is a wasteful number, since it uses less digits than its factorization.

402345120143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16320697.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 402345120143 its reverse (341021543204), we get a palindrome (743366663347).

The spelling of 402345120143 in words is "four hundred two billion, three hundred forty-five million, one hundred twenty thousand, one hundred forty-three".