154405400452 has 6 divisors (see below), whose sum is σ = 270209450798. Its totient is φ = 77202700224.

The previous prime is 154405400431. The next prime is 154405400467. The reversal of 154405400452 is 254004504451.

It can be written as a sum of positive squares in only one way, i.e., 89774541376 + 64630859076 = 299624^2 + 254226^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19300675053 + ... + 19300675060.

Almost surely, 2^154405400452 is an apocalyptic number.

It is an amenable number.

154405400452 is a deficient number, since it is larger than the sum of its proper divisors (115804050346).

154405400452 is a wasteful number, since it uses less digits than its factorization.

154405400452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38601350117 (or 38601350115 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 154405400452 in words is "one hundred fifty-four billion, four hundred five million, four hundred thousand, four hundred fifty-two".