145241403540505 has 8 divisors (see below), whose sum is σ = 174347800200000. Its totient is φ = 116154378864816.

The previous prime is 145241403540481. The next prime is 145241403540509. The reversal of 145241403540505 is 505045304142541.

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 145241403540505 - 2³¹ = 145239256056857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145241403540509) by changing a digit.

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, 4842979455 + ... + 4843009444.

It is an arithmetic number, because the mean of its divisors is an integer number (21793475025000).

Almost surely, 2^{145241403540505} is an apocalyptic number.

It is an amenable number.

145241403540505 is a deficient number, since it is larger than the sum of its proper divisors (29106396659495).

145241403540505 is an equidigital number, since it uses as much as digits as its factorization.

145241403540505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9685991903.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 145241403540505 in words is "one hundred forty-five trillion, two hundred forty-one billion, four hundred three million, five hundred forty thousand, five hundred five".