145815506601 has 8 divisors (see below), whose sum is σ = 197607899904. Its totient is φ = 95616725520.

The previous prime is 145815506549. The next prime is 145815506609. The reversal of 145815506601 is 106605518541.

It is a happy number.

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

It is not a de Polignac number, because 145815506601 - 2¹¹ = 145815504553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145815506609) 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, 398402841 + ... + 398403206.

It is an arithmetic number, because the mean of its divisors is an integer number (24700987488).

Almost surely, 2^145815506601 is an apocalyptic number.

It is an amenable number.

145815506601 is a deficient number, since it is larger than the sum of its proper divisors (51792393303).

145815506601 is an equidigital number, since it uses as much as digits as its factorization.

145815506601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796806111.

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 145815506601 in words is "one hundred forty-five billion, eight hundred fifteen million, five hundred six thousand, six hundred one".