2457281542 has 16 divisors (see below), whose sum is σ = 3766933440. Its totient is φ = 1201673088.

The previous prime is 2457281537. The next prime is 2457281581. The reversal of 2457281542 is 2451827542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2457281495 and 2457281504.

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 7 ways as a sum of consecutive naturals, for example, 141934 + ... + 158302.

It is an arithmetic number, because the mean of its divisors is an integer number (235433340).

Almost surely, 2^2457281542 is an apocalyptic number.

2457281542 is a deficient number, since it is larger than the sum of its proper divisors (1309651898).

2457281542 is a wasteful number, since it uses less digits than its factorization.

2457281542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18015.

The product of its digits is 179200, while the sum is 40.

The square root of 2457281542 is about 49570.9747937238. The cubic root of 2457281542 is about 1349.4339724945.

The spelling of 2457281542 in words is "two billion, four hundred fifty-seven million, two hundred eighty-one thousand, five hundred forty-two".