1142553141 has 8 divisors (see below), whose sum is σ = 1692671360. Its totient is φ = 761702076.

The previous prime is 1142553133. The next prime is 1142553179. The reversal of 1142553141 is 1413552411.

It is not a de Polignac number, because 1142553141 - 2³ = 1142553133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42316783 = 1142553141 / (1 + 1 + 4 + 2 + 5 + 5 + 3 + 1 + 4 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142553101) 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, 21158365 + ... + 21158418.

It is an arithmetic number, because the mean of its divisors is an integer number (211583920).

Almost surely, 2^1142553141 is an apocalyptic number.

It is an amenable number.

1142553141 is a deficient number, since it is larger than the sum of its proper divisors (550118219).

1142553141 is an equidigital number, since it uses as much as digits as its factorization.

1142553141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316792 (or 42316786 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1142553141 is about 33801.6736419959. The cubic root of 1142553141 is about 1045.4232059508.

The spelling of 1142553141 in words is "one billion, one hundred forty-two million, five hundred fifty-three thousand, one hundred forty-one".