1142444152503 has 32 divisors (see below), whose sum is σ = 1713840128000. Its totient is φ = 752073203808.

The previous prime is 1142444152501. The next prime is 1142444152511. The reversal of 1142444152503 is 3052514442411.

1142444152503 is a `hidden beast` number, since 1 + 14 + 2 + 444 + 152 + 50 + 3 = 666.

It is not a de Polignac number, because 1142444152503 - 2¹ = 1142444152501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142444152501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382026 + ... + 1559112.

It is an arithmetic number, because the mean of its divisors is an integer number (53557504000).

Almost surely, 2^{1142444152503} is an apocalyptic number.

1142444152503 is a deficient number, since it is larger than the sum of its proper divisors (571395975497).

1142444152503 is a wasteful number, since it uses less digits than its factorization.

1142444152503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177548 (or 1177542 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 1142444152503 its reverse (3052514442411), we get a palindrome (4194958594914).

The spelling of 1142444152503 in words is "one trillion, one hundred forty-two billion, four hundred forty-four million, one hundred fifty-two thousand, five hundred three".