145215365655 has 8 divisors (see below), whose sum is σ = 232344585072. Its totient is φ = 77448195008.

The previous prime is 145215365587. The next prime is 145215365671. The reversal of 145215365655 is 556563512541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145215365655 - 2¹⁸ = 145215103511 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4840512174 + ... + 4840512203.

It is an arithmetic number, because the mean of its divisors is an integer number (29043073134).

Almost surely, 2^145215365655 is an apocalyptic number.

145215365655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145215365655 is a deficient number, since it is larger than the sum of its proper divisors (87129219417).

145215365655 is an equidigital number, since it uses as much as digits as its factorization.

145215365655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9681024385.

The product of its digits is 2700000, while the sum is 48.

The spelling of 145215365655 in words is "one hundred forty-five billion, two hundred fifteen million, three hundred sixty-five thousand, six hundred fifty-five".