145686135 has 64 divisors (see below), whose sum is σ = 277696512. Its totient is φ = 63837696.

The previous prime is 145686133. The next prime is 145686139. The reversal of 145686135 is 531686541.

It is not a de Polignac number, because 145686135 - 2¹ = 145686133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145686093 and 145686102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145686133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 261277 + ... + 261833.

It is an arithmetic number, because the mean of its divisors is an integer number (4339008).

Almost surely, 2^145686135 is an apocalyptic number.

145686135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145686135 is a deficient number, since it is larger than the sum of its proper divisors (132010377).

145686135 is a wasteful number, since it uses less digits than its factorization.

145686135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 86400, while the sum is 39.

The square root of 145686135 is about 12070.0511597922. The cubic root of 145686135 is about 526.1861434997.

The spelling of 145686135 in words is "one hundred forty-five million, six hundred eighty-six thousand, one hundred thirty-five".