145505535 has 16 divisors (see below), whose sum is σ = 266067456. Its totient is φ = 66516768.

The previous prime is 145505531. The next prime is 145505543. The reversal of 145505535 is 535505541.

It is not a de Polignac number, because 145505535 - 2² = 145505531 is a prime.

145505535 is a modest number, since divided by 5535 gives 1455 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 145505496 and 145505505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145505531) 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 15 ways as a sum of consecutive naturals, for example, 692779 + ... + 692988.

It is an arithmetic number, because the mean of its divisors is an integer number (16629216).

Almost surely, 2^145505535 is an apocalyptic number.

145505535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145505535 is a deficient number, since it is larger than the sum of its proper divisors (120561921).

145505535 is a wasteful number, since it uses less digits than its factorization.

145505535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385782.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 145505535 is about 12062.5675127644. The cubic root of 145505535 is about 525.9686244881.

The spelling of 145505535 in words is "one hundred forty-five million, five hundred five thousand, five hundred thirty-five".