1535231242 has 8 divisors (see below), whose sum is σ = 2303028000. Its totient is φ = 767555244.

The previous prime is 1535231239. The next prime is 1535231249. The reversal of 1535231242 is 2421325351.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1535231242.

It is not an unprimeable number, because it can be changed into a prime (1535231249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15309 + ... + 57487.

It is an arithmetic number, because the mean of its divisors is an integer number (287878500).

Almost surely, 2^1535231242 is an apocalyptic number.

1535231242 is a deficient number, since it is larger than the sum of its proper divisors (767796758).

1535231242 is a wasteful number, since it uses less digits than its factorization.

1535231242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60380.

The product of its digits is 7200, while the sum is 28.

The square root of 1535231242 is about 39182.0270277075. The cubic root of 1535231242 is about 1153.6071343850.

Adding to 1535231242 its reverse (2421325351), we get a palindrome (3956556593).

The spelling of 1535231242 in words is "one billion, five hundred thirty-five million, two hundred thirty-one thousand, two hundred forty-two".