1142553351 has 4 divisors (see below), whose sum is σ = 1523404472. Its totient is φ = 761702232.

The previous prime is 1142553343. The next prime is 1142553389. The reversal of 1142553351 is 1533552411.

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

It is not a de Polignac number, because 1142553351 - 2³ = 1142553343 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 (1142553331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190425556 + ... + 190425561.

It is an arithmetic number, because the mean of its divisors is an integer number (380851118).

Almost surely, 2^1142553351 is an apocalyptic number.

1142553351 is a deficient number, since it is larger than the sum of its proper divisors (380851121).

1142553351 is an equidigital number, since it uses as much as digits as its factorization.

1142553351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380851120.

The product of its digits is 9000, while the sum is 30.

The square root of 1142553351 is about 33801.6767483508. The cubic root of 1142553351 is about 1045.4232700001.

The spelling of 1142553351 in words is "one billion, one hundred forty-two million, five hundred fifty-three thousand, three hundred fifty-one".