154134020202402 has 48 divisors (see below), whose sum is σ = 325360887747840. Its totient is φ = 48671763909984.

The previous prime is 154134020202401. The next prime is 154134020202439. The reversal of 154134020202402 is 204202020431451.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 154134020202402.

It is not an unprimeable number, because it can be changed into a prime (154134020202401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48143724 + ... + 51245352.

It is an arithmetic number, because the mean of its divisors is an integer number (6778351828080).

Almost surely, 2^{154134020202402} is an apocalyptic number.

154134020202402 is an abundant number, since it is smaller than the sum of its proper divisors (171226867545438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154134020202402 is a wasteful number, since it uses less digits than its factorization.

154134020202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124615 (or 3124596 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 154134020202402 its reverse (204202020431451), we get a palindrome (358336040633853).

The spelling of 154134020202402 in words is "one hundred fifty-four trillion, one hundred thirty-four billion, twenty million, two hundred two thousand, four hundred two".