2451161542 has 8 divisors (see below), whose sum is σ = 3728527632. Its totient is φ = 1208319000.

The previous prime is 2451161539. The next prime is 2451161591. The reversal of 2451161542 is 2451611542.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8630709 + ... + 8630992.

It is an arithmetic number, because the mean of its divisors is an integer number (466065954).

Almost surely, 2^2451161542 is an apocalyptic number.

2451161542 is a deficient number, since it is larger than the sum of its proper divisors (1277366090).

2451161542 is a wasteful number, since it uses less digits than its factorization.

2451161542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17261774.

The product of its digits is 9600, while the sum is 31.

The square root of 2451161542 is about 49509.2066387657. The cubic root of 2451161542 is about 1348.3127603757.

The spelling of 2451161542 in words is "two billion, four hundred fifty-one million, one hundred sixty-one thousand, five hundred forty-two".