4242102154 has 4 divisors (see below), whose sum is σ = 6363153234. Its totient is φ = 2121051076.

The previous prime is 4242102149. The next prime is 4242102167. The reversal of 4242102154 is 4512012424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3364580025 + 877522129 = 58005^2 + 29623^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060525537 + ... + 1060525540.

Almost surely, 2^4242102154 is an apocalyptic number.

4242102154 is a deficient number, since it is larger than the sum of its proper divisors (2121051080).

4242102154 is a wasteful number, since it uses less digits than its factorization.

4242102154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121051079.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4242102154 is about 65131.4221708693. The cubic root of 4242102154 is about 1618.8019076809.

Adding to 4242102154 its reverse (4512012424), we get a palindrome (8754114578).

The spelling of 4242102154 in words is "four billion, two hundred forty-two million, one hundred two thousand, one hundred fifty-four".