1000043142 has 32 divisors (see below), whose sum is σ = 2299852032. Its totient is φ = 283971744.

The previous prime is 1000043101. The next prime is 1000043153. The reversal of 1000043142 is 2413400001.

It is a super-2 number, since 2×1000043142² = 2000172571722464328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66193 + ... + 79884.

It is an arithmetic number, because the mean of its divisors is an integer number (71870376).

Almost surely, 2^1000043142 is an apocalyptic number.

1000043142 is an abundant number, since it is smaller than the sum of its proper divisors (1299808890).

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

1000043142 is a wasteful number, since it uses less digits than its factorization.

1000043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146252.

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

The square root of 1000043142 is about 31623.4587292409. The cubic root of 1000043142 is about 1000.0143804599.

Adding to 1000043142 its reverse (2413400001), we get a palindrome (3413443143).

The spelling of 1000043142 in words is "one billion, forty-three thousand, one hundred forty-two".