1233085145 has 8 divisors (see below), whose sum is σ = 1479973704. Its totient is φ = 986287104.

The previous prime is 1233085141. The next prime is 1233085151. The reversal of 1233085145 is 5415803321.

It can be written as a sum of positive squares in 4 ways, for example, as 583696 + 1232501449 = 764^2 + 35107^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1233085145 - 2² = 1233085141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233085141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12227 + ... + 51143.

It is an arithmetic number, because the mean of its divisors is an integer number (184996713).

Almost surely, 2^1233085145 is an apocalyptic number.

It is an amenable number.

1233085145 is a deficient number, since it is larger than the sum of its proper divisors (246888559).

1233085145 is an equidigital number, since it uses as much as digits as its factorization.

1233085145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45259.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1233085145 is about 35115.3121159417. The cubic root of 1233085145 is about 1072.3363352209.

Adding to 1233085145 its reverse (5415803321), we get a palindrome (6648888466).

The spelling of 1233085145 in words is "one billion, two hundred thirty-three million, eighty-five thousand, one hundred forty-five".