147402225 has 18 divisors (see below), whose sum is σ = 264014166. Its totient is φ = 78614400.

The previous prime is 147402221. The next prime is 147402251. The reversal of 147402225 is 522204741.

147402225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 725904 + 146676321 = 852^2 + 12111^2 .

It is not a de Polignac number, because 147402225 - 2² = 147402221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147402221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 327336 + ... + 327785.

Almost surely, 2^147402225 is an apocalyptic number.

147402225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147402225 is a deficient number, since it is larger than the sum of its proper divisors (116611941).

147402225 is a wasteful number, since it uses less digits than its factorization.

147402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655137 (or 655129 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 147402225 is about 12140.9318011428. The cubic root of 147402225 is about 528.2441299596.

Adding to 147402225 its reverse (522204741), we get a palindrome (669606966).

The spelling of 147402225 in words is "one hundred forty-seven million, four hundred two thousand, two hundred twenty-five".