145001540505 has 16 divisors (see below), whose sum is σ = 232161514560. Its totient is φ = 77281138368.

The previous prime is 145001540501. The next prime is 145001540527. The reversal of 145001540505 is 505045100541.

145001540505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145001540505 - 2² = 145001540501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145001540501) by changing a digit.

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, 3290922 + ... + 3334691.

It is an arithmetic number, because the mean of its divisors is an integer number (14510094660).

Almost surely, 2^145001540505 is an apocalyptic number.

145001540505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145001540505 is a deficient number, since it is larger than the sum of its proper divisors (87159974055).

145001540505 is a wasteful number, since it uses less digits than its factorization.

145001540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627080.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 145001540505 in words is "one hundred forty-five billion, one million, five hundred forty thousand, five hundred five".