145220354030455 has 32 divisors (see below), whose sum is σ = 191104337717568. Its totient is φ = 105060712780800.

The previous prime is 145220354030443. The next prime is 145220354030567. The reversal of 145220354030455 is 554030453022541.

It is not a de Polignac number, because 145220354030455 - 2¹⁵ = 145220353997687 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 (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62360539 + ... + 64647331.

It is an arithmetic number, because the mean of its divisors is an integer number (5972010553674).

Almost surely, 2^{145220354030455} is an apocalyptic number.

145220354030455 is a deficient number, since it is larger than the sum of its proper divisors (45883983687113).

145220354030455 is a wasteful number, since it uses less digits than its factorization.

145220354030455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292867.

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 145220354030455 in words is "one hundred forty-five trillion, two hundred twenty billion, three hundred fifty-four million, thirty thousand, four hundred fifty-five".