145535321415405 has 32 divisors (see below), whose sum is σ = 242993729525760. Its totient is φ = 74240127973440.

The previous prime is 145535321415377. The next prime is 145535321415439. The reversal of 145535321415405 is 504514123535541.

It is not a de Polignac number, because 145535321415405 - 2⁵ = 145535321415373 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4847611 + ... + 17736120.

It is an arithmetic number, because the mean of its divisors is an integer number (7593554047680).

Almost surely, 2^{145535321415405} is an apocalyptic number.

145535321415405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145535321415405 is a deficient number, since it is larger than the sum of its proper divisors (97458408110355).

145535321415405 is a wasteful number, since it uses less digits than its factorization.

145535321415405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22602441.

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 145535321415405 in words is "one hundred forty-five trillion, five hundred thirty-five billion, three hundred twenty-one million, four hundred fifteen thousand, four hundred five".