145531715135 has 8 divisors (see below), whose sum is σ = 174774822336. Its totient is φ = 116334196000.

The previous prime is 145531715123. The next prime is 145531715209. The reversal of 145531715135 is 531517135541.

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

It is not a de Polignac number, because 145531715135 - 2¹⁴ = 145531698751 is a prime.

It is a super-2 number, since 2×145531715135² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145531715092 and 145531715101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11389991 + ... + 11402760.

It is an arithmetic number, because the mean of its divisors is an integer number (21846852792).

Almost surely, 2^145531715135 is an apocalyptic number.

145531715135 is a deficient number, since it is larger than the sum of its proper divisors (29243107201).

145531715135 is a wasteful number, since it uses less digits than its factorization.

145531715135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22794033.

The product of its digits is 157500, while the sum is 41.

The spelling of 145531715135 in words is "one hundred forty-five billion, five hundred thirty-one million, seven hundred fifteen thousand, one hundred thirty-five".