1153225142 has 8 divisors (see below), whose sum is σ = 1738036632. Its totient is φ = 573879600.

The previous prime is 1153225109. The next prime is 1153225169. The reversal of 1153225142 is 2415223511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1365959 + ... + 1366802.

It is an arithmetic number, because the mean of its divisors is an integer number (217254579).

Almost surely, 2^1153225142 is an apocalyptic number.

1153225142 is a deficient number, since it is larger than the sum of its proper divisors (584811490).

1153225142 is a wasteful number, since it uses less digits than its factorization.

1153225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732974.

The product of its digits is 2400, while the sum is 26.

The square root of 1153225142 is about 33959.1687471881. The cubic root of 1153225142 is about 1048.6680441202.

Adding to 1153225142 its reverse (2415223511), we get a palindrome (3568448653).

The spelling of 1153225142 in words is "one billion, one hundred fifty-three million, two hundred twenty-five thousand, one hundred forty-two".