1204765145 has 8 divisors (see below), whose sum is σ = 1448013120. Its totient is φ = 962282160.

The previous prime is 1204765117. The next prime is 1204765151. The reversal of 1204765145 is 5415674021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1204765145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187775 + ... + 194084.

It is an arithmetic number, because the mean of its divisors is an integer number (181001640).

Almost surely, 2^1204765145 is an apocalyptic number.

It is an amenable number.

1204765145 is a deficient number, since it is larger than the sum of its proper divisors (243247975).

1204765145 is an equidigital number, since it uses as much as digits as its factorization.

1204765145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382495.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 1204765145 is about 34709.7269508131. The cubic root of 1204765145 is about 1064.0633009360.

The spelling of 1204765145 in words is "one billion, two hundred four million, seven hundred sixty-five thousand, one hundred forty-five".