1142555003 has 12 divisors (see below), whose sum is σ = 1184092920. Its totient is φ = 1102429440.

The previous prime is 1142554981. The next prime is 1142555039. The reversal of 1142555003 is 3005552411.

It is not a de Polignac number, because 1142555003 - 2²⁰ = 1141506427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142555303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362651 + ... + 365787.

It is an arithmetic number, because the mean of its divisors is an integer number (98674410).

Almost surely, 2^1142555003 is an apocalyptic number.

1142555003 is a deficient number, since it is larger than the sum of its proper divisors (41537917).

1142555003 is an equidigital number, since it uses as much as digits as its factorization.

1142555003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3547 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1142555003 is about 33801.7011849996. The cubic root of 1142555003 is about 1045.4237738535.

The spelling of 1142555003 in words is "one billion, one hundred forty-two million, five hundred fifty-five thousand, three".