2141154542 has 8 divisors (see below), whose sum is σ = 3211947000. Its totient is φ = 1070505544.

The previous prime is 2141154529. The next prime is 2141154551. The reversal of 2141154542 is 2454511412.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17084 + ... + 67632.

It is an arithmetic number, because the mean of its divisors is an integer number (401493375).

Almost surely, 2^2141154542 is an apocalyptic number.

2141154542 is a deficient number, since it is larger than the sum of its proper divisors (1070792458).

2141154542 is a wasteful number, since it uses less digits than its factorization.

2141154542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71730.

The product of its digits is 6400, while the sum is 29.

The square root of 2141154542 is about 46272.6111430941. The cubic root of 2141154542 is about 1288.8904470844.

Adding to 2141154542 its reverse (2454511412), we get a palindrome (4595665954).

The spelling of 2141154542 in words is "two billion, one hundred forty-one million, one hundred fifty-four thousand, five hundred forty-two".