155014354454225 has 48 divisors (see below), whose sum is σ = 220228927446528. Its totient is φ = 106029025443840.

The previous prime is 155014354454221. The next prime is 155014354454263. The reversal of 155014354454225 is 522454453410551.

It is a happy number.

It is not a de Polignac number, because 155014354454225 - 2² = 155014354454221 is a prime.

It is a super-3 number, since 3×155014354454225³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (155014354454221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125680472 + ... + 126907878.

It is an arithmetic number, because the mean of its divisors is an integer number (4588102655136).

Almost surely, 2^{155014354454225} is an apocalyptic number.

It is an amenable number.

155014354454225 is a deficient number, since it is larger than the sum of its proper divisors (65214572992303).

155014354454225 is a wasteful number, since it uses less digits than its factorization.

155014354454225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229234 (or 1229229 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 50.

The spelling of 155014354454225 in words is "one hundred fifty-five trillion, fourteen billion, three hundred fifty-four million, four hundred fifty-four thousand, two hundred twenty-five".