145155333545544 has 64 divisors (see below), whose sum is σ = 414764637978240. Its totient is φ = 41469441085440.

The previous prime is 145155333545503. The next prime is 145155333545657. The reversal of 145155333545544 is 445545333551541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34586137 + ... + 38555304.

It is an arithmetic number, because the mean of its divisors is an integer number (6480697468410).

Almost surely, 2^{145155333545544} is an apocalyptic number.

145155333545544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145155333545544 is an abundant number, since it is smaller than the sum of its proper divisors (269609304432696).

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

145155333545544 is a wasteful number, since it uses less digits than its factorization.

145155333545544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73153270 (or 73153266 counting only the distinct ones).

The product of its digits is 108000000, while the sum is 57.

The spelling of 145155333545544 in words is "one hundred forty-five trillion, one hundred fifty-five billion, three hundred thirty-three million, five hundred forty-five thousand, five hundred forty-four".