145229535 has 96 divisors (see below), whose sum is σ = 290234880. Its totient is φ = 66528000.

The previous prime is 145229531. The next prime is 145229537. The reversal of 145229535 is 535922541.

145229535 = 89² + 90² + ... + 758².

It is a happy number.

145229535 is a `hidden beast` number, since 14 + 522 + 95 + 35 = 666.

It is not a de Polignac number, because 145229535 - 2² = 145229531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145229535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145229531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 961710 + ... + 961860.

It is an arithmetic number, because the mean of its divisors is an integer number (3023280).

Almost surely, 2^145229535 is an apocalyptic number.

145229535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145229535 is a deficient number, since it is larger than the sum of its proper divisors (145005345).

145229535 is a wasteful number, since it uses less digits than its factorization.

145229535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 266 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 145229535 is about 12051.1217320215. The cubic root of 145229535 is about 525.6358554211.

The spelling of 145229535 in words is "one hundred forty-five million, two hundred twenty-nine thousand, five hundred thirty-five".