402010143 has 8 divisors (see below), whose sum is σ = 550500528. Its totient is φ = 260763264.

The previous prime is 402010109. The next prime is 402010153. The reversal of 402010143 is 341010204.

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

It is not a de Polignac number, because 402010143 - 2⁸ = 402009887 is a prime.

It is a super-2 number, since 2×402010143² = 323224310149760898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402010153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810746 + ... + 1810967.

It is an arithmetic number, because the mean of its divisors is an integer number (68812566).

Almost surely, 2^402010143 is an apocalyptic number.

402010143 is a deficient number, since it is larger than the sum of its proper divisors (148490385).

402010143 is a wasteful number, since it uses less digits than its factorization.

402010143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621753.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 402010143 is about 20050.1905975978. The cubic root of 402010143 is about 738.0384763395.

Adding to 402010143 its reverse (341010204), we get a palindrome (743020347).

The spelling of 402010143 in words is "four hundred two million, ten thousand, one hundred forty-three".