154200204542643 has 32 divisors (see below), whose sum is σ = 235945915011072. Its totient is φ = 87749200260000.

The previous prime is 154200204542633. The next prime is 154200204542777. The reversal of 154200204542643 is 346245402002451.

It is not a de Polignac number, because 154200204542643 - 2¹⁷ = 154200204411571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154200204542595 and 154200204542604.

It is not an unprimeable number, because it can be changed into a prime (154200204542603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30383130 + ... + 35093232.

It is an arithmetic number, because the mean of its divisors is an integer number (7373309844096).

Almost surely, 2^{154200204542643} is an apocalyptic number.

154200204542643 is a deficient number, since it is larger than the sum of its proper divisors (81745710468429).

154200204542643 is a wasteful number, since it uses less digits than its factorization.

154200204542643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716575.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 154200204542643 in words is "one hundred fifty-four trillion, two hundred billion, two hundred four million, five hundred forty-two thousand, six hundred forty-three".