42990918143 has 8 divisors (see below), whose sum is σ = 43213237200. Its totient is φ = 42768900288.

The previous prime is 42990918083. The next prime is 42990918161. The reversal of 42990918143 is 34181909924.

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

It is a cyclic number.

It is not a de Polignac number, because 42990918143 - 2¹² = 42990914047 is a prime.

It is a super-3 number, since 3×42990918143³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42990918091 and 42990918100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42990918193) 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, 213755 + ... + 362867.

It is an arithmetic number, because the mean of its divisors is an integer number (5401654650).

Almost surely, 2^42990918143 is an apocalyptic number.

42990918143 is a deficient number, since it is larger than the sum of its proper divisors (222319057).

42990918143 is a wasteful number, since it uses less digits than its factorization.

42990918143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150601.

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 42990918143 in words is "forty-two billion, nine hundred ninety million, nine hundred eighteen thousand, one hundred forty-three".