154513442402 has 32 divisors (see below), whose sum is σ = 263468142720. Its totient is φ = 67316529280.

The previous prime is 154513442333. The next prime is 154513442423. The reversal of 154513442402 is 204244315451.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796478 + ... + 971289.

It is an arithmetic number, because the mean of its divisors is an integer number (8233379460).

Almost surely, 2^154513442402 is an apocalyptic number.

154513442402 is a deficient number, since it is larger than the sum of its proper divisors (108954700318).

154513442402 is a wasteful number, since it uses less digits than its factorization.

154513442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767946.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 154513442402 its reverse (204244315451), we get a palindrome (358757757853).

The spelling of 154513442402 in words is "one hundred fifty-four billion, five hundred thirteen million, four hundred forty-two thousand, four hundred two".