43142445401 has 4 divisors (see below), whose sum is σ = 47064485904. Its totient is φ = 39220404900.

The previous prime is 43142445391. The next prime is 43142445403. The reversal of 43142445401 is 10454424134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43142445401 - 2³⁰ = 42068703577 is a prime.

It is a super-2 number, since 2×43142445401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142445403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1961020235 + ... + 1961020256.

It is an arithmetic number, because the mean of its divisors is an integer number (11766121476).

Almost surely, 2^43142445401 is an apocalyptic number.

It is an amenable number.

43142445401 is a deficient number, since it is larger than the sum of its proper divisors (3922040503).

43142445401 is a wasteful number, since it uses less digits than its factorization.

43142445401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3922040502.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 43142445401 its reverse (10454424134), we get a palindrome (53596869535).

The spelling of 43142445401 in words is "forty-three billion, one hundred forty-two million, four hundred forty-five thousand, four hundred one".