145535513515 has 32 divisors (see below), whose sum is σ = 202456488960. Its totient is φ = 98364067200.

The previous prime is 145535513413. The next prime is 145535513531. The reversal of 145535513515 is 515315535541.

It is not a de Polignac number, because 145535513515 - 2²⁹ = 144998642603 is a prime.

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, 15847225 + ... + 15856405.

It is an arithmetic number, because the mean of its divisors is an integer number (6326765280).

Almost surely, 2^145535513515 is an apocalyptic number.

145535513515 is a deficient number, since it is larger than the sum of its proper divisors (56920975445).

145535513515 is an equidigital number, since it uses as much as digits as its factorization.

145535513515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643.

The product of its digits is 562500, while the sum is 43.

The spelling of 145535513515 in words is "one hundred forty-five billion, five hundred thirty-five million, five hundred thirteen thousand, five hundred fifteen".