147522145 has 8 divisors (see below), whose sum is σ = 181811304. Its totient is φ = 114827904.

The previous prime is 147522139. The next prime is 147522157. The reversal of 147522145 is 541225741.

It can be written as a sum of positive squares in 4 ways, for example, as 56205009 + 91317136 = 7497^2 + 9556^2 .

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 147522145 - 2¹⁷ = 147391073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398524 + ... + 398893.

It is an arithmetic number, because the mean of its divisors is an integer number (22726413).

Almost surely, 2^147522145 is an apocalyptic number.

It is an amenable number.

147522145 is a deficient number, since it is larger than the sum of its proper divisors (34289159).

147522145 is an equidigital number, since it uses as much as digits as its factorization.

147522145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797459.

The product of its digits is 11200, while the sum is 31.

The square root of 147522145 is about 12145.8694624963. The cubic root of 147522145 is about 528.3873432320.

Adding to 147522145 its reverse (541225741), we get a palindrome (688747886).

The spelling of 147522145 in words is "one hundred forty-seven million, five hundred twenty-two thousand, one hundred forty-five".