145346623606515 has 32 divisors (see below), whose sum is σ = 232637252774976. Its totient is φ = 77490651548160.

The previous prime is 145346623606417. The next prime is 145346623606573. The reversal of 145346623606515 is 515606326643541.

145346623606515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145346623606515 - 2²¹ = 145346621509363 is a prime.

It is a super-2 number, since 2×145346623606515² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624061185 + ... + 624294045.

It is an arithmetic number, because the mean of its divisors is an integer number (7269914149218).

Almost surely, 2^{145346623606515} is an apocalyptic number.

145346623606515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145346623606515 is a deficient number, since it is larger than the sum of its proper divisors (87290629168461).

145346623606515 is a wasteful number, since it uses less digits than its factorization.

145346623606515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247479.

The product of its (nonzero) digits is 46656000, while the sum is 57.

The spelling of 145346623606515 in words is "one hundred forty-five trillion, three hundred forty-six billion, six hundred twenty-three million, six hundred six thousand, five hundred fifteen".