2140451542 has 8 divisors (see below), whose sum is σ = 3254659416. Its totient is φ = 1055565072.

The previous prime is 2140451527. The next prime is 2140451557. The reversal of 2140451542 is 2451540412.

It is an interprime number because it is at equal distance from previous prime (2140451527) and next prime (2140451557).

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 2140451542.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 7330168 + ... + 7330459.

It is an arithmetic number, because the mean of its divisors is an integer number (406832427).

Almost surely, 2^2140451542 is an apocalyptic number.

2140451542 is a deficient number, since it is larger than the sum of its proper divisors (1114207874).

2140451542 is a wasteful number, since it uses less digits than its factorization.

2140451542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660702.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 2140451542 is about 46265.0142332195. The cubic root of 2140451542 is about 1288.7493722344.

Adding to 2140451542 its reverse (2451540412), we get a palindrome (4591991954).

The spelling of 2140451542 in words is "two billion, one hundred forty million, four hundred fifty-one thousand, five hundred forty-two".