147612225 has 12 divisors (see below), whose sum is σ = 244052336. Its totient is φ = 78726480.

The previous prime is 147612193. The next prime is 147612281. The reversal of 147612225 is 522216741.

It is not a de Polignac number, because 147612225 - 2⁵ = 147612193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 147612192 and 147612201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 984007 + ... + 984156.

Almost surely, 2^147612225 is an apocalyptic number.

147612225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147612225 is a deficient number, since it is larger than the sum of its proper divisors (96440111).

147612225 is a wasteful number, since it uses less digits than its factorization.

147612225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968176 (or 1968171 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 147612225 is about 12149.5771531358. The cubic root of 147612225 is about 528.4948693422.

Adding to 147612225 its reverse (522216741), we get a palindrome (669828966).

The spelling of 147612225 in words is "one hundred forty-seven million, six hundred twelve thousand, two hundred twenty-five".