145055555050155 has 16 divisors (see below), whose sum is σ = 235893623951904. Its totient is φ = 76094717402880.

The previous prime is 145055555050151. The next prime is 145055555050169. The reversal of 145055555050155 is 551050555550541.

It is not a de Polignac number, because 145055555050155 - 2² = 145055555050151 is a prime.

It is a super-2 number, since 2×145055555050155² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145055555050098 and 145055555050107.

It is not an unprimeable number, because it can be changed into a prime (145055555050151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79265329714 + ... + 79265331543.

It is an arithmetic number, because the mean of its divisors is an integer number (14743351496994).

Almost surely, 2^{145055555050155} is an apocalyptic number.

145055555050155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145055555050155 is a deficient number, since it is larger than the sum of its proper divisors (90838068901749).

145055555050155 is a wasteful number, since it uses less digits than its factorization.

145055555050155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158530661326.

The product of its (nonzero) digits is 7812500, while the sum is 51.

The spelling of 145055555050155 in words is "one hundred forty-five trillion, fifty-five billion, five hundred fifty-five million, fifty thousand, one hundred fifty-five".