155446228479054 has 32 divisors (see below), whose sum is σ = 327269426549760. Its totient is φ = 49086151372800.

The previous prime is 155446228479053. The next prime is 155446228479103. The reversal of 155446228479054 is 450974822644551.

It is a super-2 number, since 2×155446228479054² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155446228479053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26963262 + ... + 32216609.

It is an arithmetic number, because the mean of its divisors is an integer number (10227169579680).

Almost surely, 2^{155446228479054} is an apocalyptic number.

155446228479054 is an abundant number, since it is smaller than the sum of its proper divisors (171823198070706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155446228479054 is a wasteful number, since it uses less digits than its factorization.

155446228479054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59202936.

The product of its (nonzero) digits is 387072000, while the sum is 66.

The spelling of 155446228479054 in words is "one hundred fifty-five trillion, four hundred forty-six billion, two hundred twenty-eight million, four hundred seventy-nine thousand, fifty-four".