145475443 has 8 divisors (see below), whose sum is σ = 154396368. Its totient is φ = 136594944.

The previous prime is 145475417. The next prime is 145475471. The reversal of 145475443 is 344574541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145475443 - 2²⁵ = 111921011 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 17242.

It is an arithmetic number, because the mean of its divisors is an integer number (19299546).

Almost surely, 2^145475443 is an apocalyptic number.

145475443 is a deficient number, since it is larger than the sum of its proper divisors (8920925).

145475443 is a wasteful number, since it uses less digits than its factorization.

145475443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20213.

The product of its digits is 134400, while the sum is 37.

The square root of 145475443 is about 12061.3201184613. The cubic root of 145475443 is about 525.9323634642.

The spelling of 145475443 in words is "one hundred forty-five million, four hundred seventy-five thousand, four hundred forty-three".