204524455145 has 32 divisors (see below), whose sum is σ = 265940769024. Its totient is φ = 150596582400.

The previous prime is 204524455127. The next prime is 204524455153. The reversal of 204524455145 is 541554425402.

It is not a de Polignac number, because 204524455145 - 2⁸ = 204524454889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47090 + ... + 641300.

It is an arithmetic number, because the mean of its divisors is an integer number (8310649032).

Almost surely, 2^204524455145 is an apocalyptic number.

It is an amenable number.

204524455145 is a deficient number, since it is larger than the sum of its proper divisors (61416313879).

204524455145 is a wasteful number, since it uses less digits than its factorization.

204524455145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594353.

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 204524455145 in words is "two hundred four billion, five hundred twenty-four million, four hundred fifty-five thousand, one hundred forty-five".