245037145 has 8 divisors (see below), whose sum is σ = 294282504. Its totient is φ = 195871104.

The previous prime is 245037139. The next prime is 245037151. The reversal of 245037145 is 541730542.

It is an interprime number because it is at equal distance from previous prime (245037139) and next prime (245037151).

It can be written as a sum of positive squares in 4 ways, for example, as 177241 + 244859904 = 421^2 + 15648^2 .

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 245037145 - 2⁷ = 245037017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12804 + ... + 25573.

It is an arithmetic number, because the mean of its divisors is an integer number (36785313).

Almost surely, 2^245037145 is an apocalyptic number.

It is an amenable number.

245037145 is a deficient number, since it is larger than the sum of its proper divisors (49245359).

245037145 is a wasteful number, since it uses less digits than its factorization.

245037145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39659.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 245037145 is about 15653.6623510283. The cubic root of 245037145 is about 625.7640958713.

Adding to 245037145 its reverse (541730542), we get a palindrome (786767687).

The spelling of 245037145 in words is "two hundred forty-five million, thirty-seven thousand, one hundred forty-five".