18145402354 has 16 divisors (see below), whose sum is σ = 27281377728. Its totient is φ = 9051627312.

The previous prime is 18145402339. The next prime is 18145402361. The reversal of 18145402354 is 45320454181.

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 7 ways as a sum of consecutive naturals, for example, 3889027 + ... + 3893689.

It is an arithmetic number, because the mean of its divisors is an integer number (1705086108).

Almost surely, 2^18145402354 is an apocalyptic number.

18145402354 is a deficient number, since it is larger than the sum of its proper divisors (9135975374).

18145402354 is a wasteful number, since it uses less digits than its factorization.

18145402354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 18145402354 in words is "eighteen billion, one hundred forty-five million, four hundred two thousand, three hundred fifty-four".