1142263355 has 8 divisors (see below), whose sum is σ = 1414932864. Its totient is φ = 884332800.

The previous prime is 1142263313. The next prime is 1142263361. The reversal of 1142263355 is 5533622411.

It is a happy number.

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

It is not a de Polignac number, because 1142263355 - 2¹⁴ = 1142246971 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3684566 + ... + 3684875.

It is an arithmetic number, because the mean of its divisors is an integer number (176866608).

Almost surely, 2^1142263355 is an apocalyptic number.

1142263355 is a deficient number, since it is larger than the sum of its proper divisors (272669509).

1142263355 is an equidigital number, since it uses as much as digits as its factorization.

1142263355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369477.

The product of its digits is 21600, while the sum is 32.

The square root of 1142263355 is about 33797.3868072666. The cubic root of 1142263355 is about 1045.3348148397.

Adding to 1142263355 its reverse (5533622411), we get a palindrome (6675885766).

The spelling of 1142263355 in words is "one billion, one hundred forty-two million, two hundred sixty-three thousand, three hundred fifty-five".