1325150146 has 4 divisors (see below), whose sum is σ = 1987725222. Its totient is φ = 662575072.

The previous prime is 1325150143. The next prime is 1325150161. The reversal of 1325150146 is 6410515231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6410515231 = 44201 ⋅145031.

It can be written as a sum of positive squares in only one way, i.e., 1243338121 + 81812025 = 35261^2 + 9045^2 .

It is not an unprimeable number, because it can be changed into a prime (1325150143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331287535 + ... + 331287538.

Almost surely, 2^1325150146 is an apocalyptic number.

1325150146 is a deficient number, since it is larger than the sum of its proper divisors (662575076).

1325150146 is an equidigital number, since it uses as much as digits as its factorization.

1325150146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662575075.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1325150146 is about 36402.6118019023. The cubic root of 1325150146 is about 1098.3861032553.

Adding to 1325150146 its reverse (6410515231), we get a palindrome (7735665377).

The spelling of 1325150146 in words is "one billion, three hundred twenty-five million, one hundred fifty thousand, one hundred forty-six".