204100043154 has 64 divisors (see below), whose sum is σ = 468417358080. Its totient is φ = 58076697600.

The previous prime is 204100043131. The next prime is 204100043159. The reversal of 204100043154 is 451340001402.

It is not an unprimeable number, because it can be changed into a prime (204100043159) 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, 22158502 + ... + 22167710.

It is an arithmetic number, because the mean of its divisors is an integer number (7319021220).

Almost surely, 2^204100043154 is an apocalyptic number.

204100043154 is an abundant number, since it is smaller than the sum of its proper divisors (264317314926).

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

204100043154 is a wasteful number, since it uses less digits than its factorization.

204100043154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 204100043154 its reverse (451340001402), we get a palindrome (655440044556).

The spelling of 204100043154 in words is "two hundred four billion, one hundred million, forty-three thousand, one hundred fifty-four".