145235529 has 12 divisors (see below), whose sum is σ = 213743556. Its totient is φ = 94996512.

The previous prime is 145235507. The next prime is 145235533. The reversal of 145235529 is 925532541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107744400 + 37491129 = 10380^2 + 6123^2 .

It is not a de Polignac number, because 145235529 - 2¹² = 145231433 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145235493 and 145235502.

It is not an unprimeable number, because it can be changed into a prime (145235329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151762 + ... + 152715.

It is an arithmetic number, because the mean of its divisors is an integer number (17811963).

Almost surely, 2^145235529 is an apocalyptic number.

It is an amenable number.

145235529 is a deficient number, since it is larger than the sum of its proper divisors (68508027).

145235529 is a wasteful number, since it uses less digits than its factorization.

145235529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304536 (or 304533 counting only the distinct ones).

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

The square root of 145235529 is about 12051.3704199979. The cubic root of 145235529 is about 525.6430867738.

The spelling of 145235529 in words is "one hundred forty-five million, two hundred thirty-five thousand, five hundred twenty-nine".