1542002242 has 8 divisors (see below), whose sum is σ = 2523276432. Its totient is φ = 700910100.

The previous prime is 1542002233. The next prime is 1542002243. The reversal of 1542002242 is 2422002451.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 70091011 = 1542002242 / (1 + 5 + 4 + 2 + 0 + 0 + 2 + 2 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1542002243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35045484 + ... + 35045527.

It is an arithmetic number, because the mean of its divisors is an integer number (315409554).

Almost surely, 2^1542002242 is an apocalyptic number.

1542002242 is a deficient number, since it is larger than the sum of its proper divisors (981274190).

1542002242 is a wasteful number, since it uses less digits than its factorization.

1542002242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70091024.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1542002242 is about 39268.3363793273. The cubic root of 1542002242 is about 1155.3006075245.

Adding to 1542002242 its reverse (2422002451), we get a palindrome (3964004693).

The spelling of 1542002242 in words is "one billion, five hundred forty-two million, two thousand, two hundred forty-two".