402153143 has 6 divisors (see below), whose sum is σ = 467810856. Its totient is φ = 344702652.

The previous prime is 402153119. The next prime is 402153149. The reversal of 402153143 is 341351204.

It is not a de Polignac number, because 402153143 - 2⁶ = 402153079 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 (402153149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4103555 + ... + 4103652.

It is an arithmetic number, because the mean of its divisors is an integer number (77968476).

Almost surely, 2^402153143 is an apocalyptic number.

402153143 is a deficient number, since it is larger than the sum of its proper divisors (65657713).

402153143 is an equidigital number, since it uses as much as digits as its factorization.

402153143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8207221 (or 8207214 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 402153143 is about 20053.7563314208. The cubic root of 402153143 is about 738.1259757824.

The spelling of 402153143 in words is "four hundred two million, one hundred fifty-three thousand, one hundred forty-three".