147207145 has 8 divisors (see below), whose sum is σ = 176808960. Its totient is φ = 117658800.

The previous prime is 147207143. The next prime is 147207169. The reversal of 147207145 is 541702741.

147207145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 147207145 - 2¹ = 147207143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147207143) 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, 7035 + ... + 18544.

It is an arithmetic number, because the mean of its divisors is an integer number (22101120).

Almost surely, 2^147207145 is an apocalyptic number.

It is an amenable number.

147207145 is a deficient number, since it is larger than the sum of its proper divisors (29601815).

147207145 is a wasteful number, since it uses less digits than its factorization.

147207145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26735.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 147207145 is about 12132.8951615021. The cubic root of 147207145 is about 528.0109915545.

Adding to 147207145 its reverse (541702741), we get a palindrome (688909886).

The spelling of 147207145 in words is "one hundred forty-seven million, two hundred seven thousand, one hundred forty-five".