145495443 has 4 divisors (see below), whose sum is σ = 193993928. Its totient is φ = 96996960.

The previous prime is 145495439. The next prime is 145495451. The reversal of 145495443 is 344594541.

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

It is not a de Polignac number, because 145495443 - 2² = 145495439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145495403) 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, 24249238 + ... + 24249243.

It is an arithmetic number, because the mean of its divisors is an integer number (48498482).

Almost surely, 2^145495443 is an apocalyptic number.

145495443 is a deficient number, since it is larger than the sum of its proper divisors (48498485).

145495443 is an equidigital number, since it uses as much as digits as its factorization.

145495443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48498484.

The product of its digits is 172800, while the sum is 39.

The square root of 145495443 is about 12062.1491866085. The cubic root of 145495443 is about 525.9564641303.

The spelling of 145495443 in words is "one hundred forty-five million, four hundred ninety-five thousand, four hundred forty-three".