155224144422513 has 8 divisors (see below), whose sum is σ = 229961695440800. Its totient is φ = 103482762948324.

The previous prime is 155224144422463. The next prime is 155224144422517. The reversal of 155224144422513 is 315224441422551.

It is a happy number.

155224144422513 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 2 + 414 + 4 + 4 + 225 + 1 + 3 = 666.

It is not a de Polignac number, because 155224144422513 - 2⁸ = 155224144422257 is a prime.

It is a super-2 number, since 2×155224144422513² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155224144422517) 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, 2874521192983 + ... + 2874521193036.

It is an arithmetic number, because the mean of its divisors is an integer number (28745211930100).

Almost surely, 2^{155224144422513} is an apocalyptic number.

It is an amenable number.

155224144422513 is a deficient number, since it is larger than the sum of its proper divisors (74737551018287).

155224144422513 is an equidigital number, since it uses as much as digits as its factorization.

155224144422513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749042386028 (or 5749042386022 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 45.

The spelling of 155224144422513 in words is "one hundred fifty-five trillion, two hundred twenty-four billion, one hundred forty-four million, four hundred twenty-two thousand, five hundred thirteen".