145533347 has 8 divisors (see below), whose sum is σ = 146941440. Its totient is φ = 144131400.

The previous prime is 145533343. The next prime is 145533391. The reversal of 145533347 is 743335541.

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 145533347 - 2² = 145533343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145533341) 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 7 ways as a sum of consecutive naturals, for example, 55958 + ... + 58500.

It is an arithmetic number, because the mean of its divisors is an integer number (18367680).

Almost surely, 2^145533347 is an apocalyptic number.

145533347 is a deficient number, since it is larger than the sum of its proper divisors (1408093).

145533347 is a wasteful number, since it uses less digits than its factorization.

145533347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 75600, while the sum is 35.

The square root of 145533347 is about 12063.7202802452. The cubic root of 145533347 is about 526.0021336543.

Adding to 145533347 its reverse (743335541), we get a palindrome (888868888).

The spelling of 145533347 in words is "one hundred forty-five million, five hundred thirty-three thousand, three hundred forty-seven".