1142553455 has 8 divisors (see below), whose sum is σ = 1418342400. Its totient is φ = 882523936.

The previous prime is 1142553449. The next prime is 1142553457. The reversal of 1142553455 is 5543552411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142553455 - 2⁴ = 1142553439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142553457) 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, 3939695 + ... + 3939984.

It is an arithmetic number, because the mean of its divisors is an integer number (177292800).

Almost surely, 2^1142553455 is an apocalyptic number.

1142553455 is a deficient number, since it is larger than the sum of its proper divisors (275788945).

1142553455 is an equidigital number, since it uses as much as digits as its factorization.

1142553455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879713.

The product of its digits is 60000, while the sum is 35.

The square root of 1142553455 is about 33801.6782867360. The cubic root of 1142553455 is about 1045.4233017197.

The spelling of 1142553455 in words is "one billion, one hundred forty-two million, five hundred fifty-three thousand, four hundred fifty-five".