201445314425 has 6 divisors (see below), whose sum is σ = 249792189918. Its totient is φ = 161156251520.

The previous prime is 201445314403. The next prime is 201445314457. The reversal of 201445314425 is 524413544102.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 38167092496 + 163278221929 = 195364^2 + 404077^2 .

It is a de Polignac number, because none of the positive numbers 2^k-201445314425 is a prime.

It is a super-2 number, since 2×201445314425² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4028906264 + ... + 4028906313.

It is an arithmetic number, because the mean of its divisors is an integer number (41632031653).

Almost surely, 2^201445314425 is an apocalyptic number.

201445314425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201445314425 is a deficient number, since it is larger than the sum of its proper divisors (48346875493).

201445314425 is an equidigital number, since it uses as much as digits as its factorization.

201445314425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8057812587 (or 8057812582 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 201445314425 its reverse (524413544102), we get a palindrome (725858858527).

The spelling of 201445314425 in words is "two hundred one billion, four hundred forty-five million, three hundred fourteen thousand, four hundred twenty-five".