43142150021 has 16 divisors (see below), whose sum is σ = 44351351808. Its totient is φ = 41951908800.

The previous prime is 43142150003. The next prime is 43142150033. The reversal of 43142150021 is 12005124134.

It is a cyclic number.

It is not a de Polignac number, because 43142150021 - 2⁶ = 43142149957 is a prime.

It is a super-2 number, since 2×43142150021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43147150021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887755 + ... + 1910471.

It is an arithmetic number, because the mean of its divisors is an integer number (2771959488).

Almost surely, 2^43142150021 is an apocalyptic number.

It is an amenable number.

43142150021 is a deficient number, since it is larger than the sum of its proper divisors (1209201787).

43142150021 is a wasteful number, since it uses less digits than its factorization.

43142150021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23132.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 43142150021 its reverse (12005124134), we get a palindrome (55147274155).

The spelling of 43142150021 in words is "forty-three billion, one hundred forty-two million, one hundred fifty thousand, twenty-one".