145515743741009 has 4 divisors (see below), whose sum is σ = 147565261258560. Its totient is φ = 143466226223460.

The previous prime is 145515743740963. The next prime is 145515743741047. The reversal of 145515743741009 is 900147347515541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145515743741009 - 2⁴⁴ = 127923557696593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145515743741089) 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 3 ways as a sum of consecutive naturals, for example, 1024758758669 + ... + 1024758758810.

It is an arithmetic number, because the mean of its divisors is an integer number (36891315314640).

Almost surely, 2^{145515743741009} is an apocalyptic number.

It is an amenable number.

145515743741009 is a deficient number, since it is larger than the sum of its proper divisors (2049517517551).

145515743741009 is an equidigital number, since it uses as much as digits as its factorization.

145515743741009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049517517550.

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 145515743741009 in words is "one hundred forty-five trillion, five hundred fifteen billion, seven hundred forty-three million, seven hundred forty-one thousand, nine".