145523635 has 4 divisors (see below), whose sum is σ = 174628368. Its totient is φ = 116418904.

The previous prime is 145523617. The next prime is 145523639. The reversal of 145523635 is 536325541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145523635 - 2¹⁵ = 145490867 is a prime.

It is a super-2 number, since 2×145523635² = 42354256687226450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145523635.

It is not an unprimeable number, because it can be changed into a prime (145523639) 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 3 ways as a sum of consecutive naturals, for example, 14552359 + ... + 14552368.

It is an arithmetic number, because the mean of its divisors is an integer number (43657092).

Almost surely, 2^145523635 is an apocalyptic number.

145523635 is a deficient number, since it is larger than the sum of its proper divisors (29104733).

145523635 is an equidigital number, since it uses as much as digits as its factorization.

145523635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29104732.

The product of its digits is 54000, while the sum is 34.

The square root of 145523635 is about 12063.3177443024. The cubic root of 145523635 is about 525.9904326789.

The spelling of 145523635 in words is "one hundred forty-five million, five hundred twenty-three thousand, six hundred thirty-five".