1542252154 has 8 divisors (see below), whose sum is σ = 2435135040. Its totient is φ = 730540476.

The previous prime is 1542252119. The next prime is 1542252191. The reversal of 1542252154 is 4512522451.

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

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, 20292754 + ... + 20292829.

It is an arithmetic number, because the mean of its divisors is an integer number (304391880).

Almost surely, 2^1542252154 is an apocalyptic number.

1542252154 is a deficient number, since it is larger than the sum of its proper divisors (892882886).

1542252154 is a wasteful number, since it uses less digits than its factorization.

1542252154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40585604.

The product of its digits is 16000, while the sum is 31.

The square root of 1542252154 is about 39271.5183561828. The cubic root of 1542252154 is about 1155.3630172671.

It can be divided in two parts, 15422 and 52154, that added together give a palindrome (67576).

The spelling of 1542252154 in words is "one billion, five hundred forty-two million, two hundred fifty-two thousand, one hundred fifty-four".