1225524241145 has 8 divisors (see below), whose sum is σ = 1472086606920. Its totient is φ = 979447714560.

The previous prime is 1225524241133. The next prime is 1225524241181. The reversal of 1225524241145 is 5411424255221.

It can be written as a sum of positive squares in 4 ways, for example, as 316555264 + 1225207685881 = 17792^2 + 1106891^2 .

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

It is not a de Polignac number, because 1225524241145 - 2³⁸ = 950646334201 is a prime.

It is a super-2 number, since 2×1225524241145² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1225524241099 and 1225524241108.

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, 121454246 + ... + 121464335.

It is an arithmetic number, because the mean of its divisors is an integer number (184010825865).

Almost surely, 2^{1225524241145} is an apocalyptic number.

It is an amenable number.

1225524241145 is a deficient number, since it is larger than the sum of its proper divisors (246562365775).

1225524241145 is a wasteful number, since it uses less digits than its factorization.

1225524241145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242919595.

The product of its digits is 128000, while the sum is 38.

Adding to 1225524241145 its reverse (5411424255221), we get a palindrome (6636948496366).

The spelling of 1225524241145 in words is "one trillion, two hundred twenty-five billion, five hundred twenty-four million, two hundred forty-one thousand, one hundred forty-five".