147202045 has 4 divisors (see below), whose sum is σ = 176642460. Its totient is φ = 117761632.

The previous prime is 147202039. The next prime is 147202103. The reversal of 147202045 is 540202741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540202741 = 13 ⋅41554057.

It can be written as a sum of positive squares in 2 ways, for example, as 112084569 + 35117476 = 10587^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 147202045 - 2³ = 147202037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14720200 + ... + 14720209.

It is an arithmetic number, because the mean of its divisors is an integer number (44160615).

Almost surely, 2^147202045 is an apocalyptic number.

It is an amenable number.

147202045 is a deficient number, since it is larger than the sum of its proper divisors (29440415).

147202045 is an equidigital number, since it uses as much as digits as its factorization.

147202045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29440414.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 147202045 is about 12132.6849872565. The cubic root of 147202045 is about 528.0048938271.

Adding to 147202045 its reverse (540202741), we get a palindrome (687404786).

The spelling of 147202045 in words is "one hundred forty-seven million, two hundred two thousand, forty-five".