1203306145 has 8 divisors (see below), whose sum is σ = 1444446504. Its totient is φ = 962325504.

The previous prime is 1203306103. The next prime is 1203306149. The reversal of 1203306145 is 5416033021.

1203306145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 677612961 + 525693184 = 26031^2 + 22928^2 .

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 1203306145 - 2⁹ = 1203305633 is a prime.

It is a super-2 number, since 2×1203306145² = 2895891357189522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203306149) 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, 22674 + ... + 54043.

It is an arithmetic number, because the mean of its divisors is an integer number (180555813).

Almost surely, 2^1203306145 is an apocalyptic number.

It is an amenable number.

1203306145 is a deficient number, since it is larger than the sum of its proper divisors (241140359).

1203306145 is an equidigital number, since it uses as much as digits as its factorization.

1203306145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79859.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1203306145 is about 34688.7034205662. The cubic root of 1203306145 is about 1063.6335918825.

Adding to 1203306145 its reverse (5416033021), we get a palindrome (6619339166).

The spelling of 1203306145 in words is "one billion, two hundred three million, three hundred six thousand, one hundred forty-five".