145033347 has 4 divisors (see below), whose sum is σ = 193377800. Its totient is φ = 96688896.

The previous prime is 145033297. The next prime is 145033349. The reversal of 145033347 is 743330541.

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

It is not a de Polignac number, because 145033347 - 2⁷ = 145033219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145033349) 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, 24172222 + ... + 24172227.

It is an arithmetic number, because the mean of its divisors is an integer number (48344450).

Almost surely, 2^145033347 is an apocalyptic number.

145033347 is a deficient number, since it is larger than the sum of its proper divisors (48344453).

145033347 is an equidigital number, since it uses as much as digits as its factorization.

145033347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48344452.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 145033347 is about 12042.9791579991. The cubic root of 145033347 is about 525.3990580462.

Adding to 145033347 its reverse (743330541), we get a palindrome (888363888).

The spelling of 145033347 in words is "one hundred forty-five million, thirty-three thousand, three hundred forty-seven".