204101155040145 has 128 divisors (see below), whose sum is σ = 378887813111808. Its totient is φ = 92848688486400.

The previous prime is 204101155040093. The next prime is 204101155040147. The reversal of 204101155040145 is 541040551101402.

It is not a de Polignac number, because 204101155040145 - 2¹⁰ = 204101155039121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (204101155040147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51158109 + ... + 55003221.

It is an arithmetic number, because the mean of its divisors is an integer number (2960061039936).

Almost surely, 2^{204101155040145} is an apocalyptic number.

It is an amenable number.

204101155040145 is a deficient number, since it is larger than the sum of its proper divisors (174786658071663).

204101155040145 is a wasteful number, since it uses less digits than its factorization.

204101155040145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845423.

The product of its (nonzero) digits is 16000, while the sum is 33.

The spelling of 204101155040145 in words is "two hundred four trillion, one hundred one billion, one hundred fifty-five million, forty thousand, one hundred forty-five".