1443155542106 has 4 divisors (see below), whose sum is σ = 2164733313162. Its totient is φ = 721577771052.

The previous prime is 1443155542067. The next prime is 1443155542141. The reversal of 1443155542106 is 6012455513441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1360360659025 + 82794883081 = 1166345^2 + 287741^2 .

It is a super-2 number, since 2×1443155542106² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360788885525 + ... + 360788885528.

Almost surely, 2^{1443155542106} is an apocalyptic number.

1443155542106 is a deficient number, since it is larger than the sum of its proper divisors (721577771056).

1443155542106 is an equidigital number, since it uses as much as digits as its factorization.

1443155542106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721577771055.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 1443155542106 in words is "one trillion, four hundred forty-three billion, one hundred fifty-five million, five hundred forty-two thousand, one hundred six".