145235403 has 64 divisors (see below), whose sum is σ = 240537600. Its totient is φ = 86192640.

The previous prime is 145235371. The next prime is 145235413. The reversal of 145235403 is 304532541.

It is not a de Polignac number, because 145235403 - 2⁵ = 145235371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145235413) 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 63 ways as a sum of consecutive naturals, for example, 839425 + ... + 839597.

It is an arithmetic number, because the mean of its divisors is an integer number (3758400).

Almost surely, 2^145235403 is an apocalyptic number.

145235403 is a deficient number, since it is larger than the sum of its proper divisors (95302197).

145235403 is a wasteful number, since it uses less digits than its factorization.

145235403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145235403 is about 12051.3651923755. The cubic root of 145235403 is about 525.6429347654.

Adding to 145235403 its reverse (304532541), we get a palindrome (449767944).

The spelling of 145235403 in words is "one hundred forty-five million, two hundred thirty-five thousand, four hundred three".