145351665310649 has 8 divisors (see below), whose sum is σ = 166198059908160. Its totient is φ = 124525738458576.

The previous prime is 145351665310589. The next prime is 145351665310661. The reversal of 145351665310649 is 946013566153541.

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

It is not a de Polignac number, because 145351665310649 - 2³² = 145347370343353 is a prime.

It is a super-2 number, since 2×145351665310649² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145351665310349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116921139 + ... + 5116949544.

It is an arithmetic number, because the mean of its divisors is an integer number (20774757488520).

Almost surely, 2^{145351665310649} is an apocalyptic number.

It is an amenable number.

145351665310649 is a deficient number, since it is larger than the sum of its proper divisors (20846394597511).

145351665310649 is a wasteful number, since it uses less digits than its factorization.

145351665310649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233872719.

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 145351665310649 in words is "one hundred forty-five trillion, three hundred fifty-one billion, six hundred sixty-five million, three hundred ten thousand, six hundred forty-nine".