1542542234 has 8 divisors (see below), whose sum is σ = 2314941120. Its totient is φ = 770895196.

The previous prime is 1542542213. The next prime is 1542542251. The reversal of 1542542234 is 4322452451.

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 1542542234.

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, 182804 + ... + 191055.

It is an arithmetic number, because the mean of its divisors is an integer number (289367640).

Almost surely, 2^1542542234 is an apocalyptic number.

1542542234 is a deficient number, since it is larger than the sum of its proper divisors (772398886).

1542542234 is a wasteful number, since it uses less digits than its factorization.

1542542234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375924.

The product of its digits is 38400, while the sum is 32.

The square root of 1542542234 is about 39275.2114443704. The cubic root of 1542542234 is about 1155.4354495847.

Adding to 1542542234 its reverse (4322452451), we get a palindrome (5864994685).

The spelling of 1542542234 in words is "one billion, five hundred forty-two million, five hundred forty-two thousand, two hundred thirty-four".