1000143402 has 16 divisors (see below), whose sum is σ = 2007511392. Its totient is φ = 332177040.

The previous prime is 1000143401. The next prime is 1000143433. The reversal of 1000143402 is 2043410001.

It is not an unprimeable number, because it can be changed into a prime (1000143401) 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, 299224 + ... + 302547.

It is an arithmetic number, because the mean of its divisors is an integer number (125469462).

Almost surely, 2^1000143402 is an apocalyptic number.

1000143402 is an abundant number, since it is smaller than the sum of its proper divisors (1007367990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000143402 is a wasteful number, since it uses less digits than its factorization.

1000143402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602053.

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

The square root of 1000143402 is about 31625.0439051079. The cubic root of 1000143402 is about 1000.0477983819.

Adding to 1000143402 its reverse (2043410001), we get a palindrome (3043553403).

The spelling of 1000143402 in words is "one billion, one hundred forty-three thousand, four hundred two".