1143433442145 has 16 divisors (see below), whose sum is σ = 1829677966272. Its totient is φ = 609769682880.

The previous prime is 1143433442141. The next prime is 1143433442171. The reversal of 1143433442145 is 5412443343411.

It is a happy number.

It is not a de Polignac number, because 1143433442145 - 2² = 1143433442141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143433442141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3688962 + ... + 3986891.

It is an arithmetic number, because the mean of its divisors is an integer number (114354872892).

Almost surely, 2^{1143433442145} is an apocalyptic number.

1143433442145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1143433442145 is a deficient number, since it is larger than the sum of its proper divisors (686244524127).

1143433442145 is an equidigital number, since it uses as much as digits as its factorization.

1143433442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685792.

The product of its digits is 276480, while the sum is 39.

Adding to 1143433442145 its reverse (5412443343411), we get a palindrome (6555876785556).

The spelling of 1143433442145 in words is "one trillion, one hundred forty-three billion, four hundred thirty-three million, four hundred forty-two thousand, one hundred forty-five".