1442242153 has 8 divisors (see below), whose sum is σ = 1588631616. Its totient is φ = 1298398800.

The previous prime is 1442242147. The next prime is 1442242157. The reversal of 1442242153 is 3512422441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442242153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442242157) 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, 635338 + ... + 637603.

It is an arithmetic number, because the mean of its divisors is an integer number (198578952).

Almost surely, 2^1442242153 is an apocalyptic number.

It is an amenable number.

1442242153 is a deficient number, since it is larger than the sum of its proper divisors (146389463).

1442242153 is a wasteful number, since it uses less digits than its factorization.

1442242153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273055.

The product of its digits is 7680, while the sum is 28.

The square root of 1442242153 is about 37976.8633907541. The cubic root of 1442242153 is about 1129.8290270471.

Adding to 1442242153 its reverse (3512422441), we get a palindrome (4954664594).

The spelling of 1442242153 in words is "one billion, four hundred forty-two million, two hundred forty-two thousand, one hundred fifty-three".