145475403 has 4 divisors (see below), whose sum is σ = 193967208. Its totient is φ = 96983600.

The previous prime is 145475399. The next prime is 145475413. The reversal of 145475403 is 304574541.

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 145475403 - 2² = 145475399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145475413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24245898 + ... + 24245903.

It is an arithmetic number, because the mean of its divisors is an integer number (48491802).

Almost surely, 2^145475403 is an apocalyptic number.

145475403 is a deficient number, since it is larger than the sum of its proper divisors (48491805).

145475403 is an equidigital number, since it uses as much as digits as its factorization.

145475403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48491804.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 145475403 is about 12061.3184602679. The cubic root of 145475403 is about 525.9323152606.

The spelling of 145475403 in words is "one hundred forty-five million, four hundred seventy-five thousand, four hundred three".