150134521 has 2 divisors, whose sum is σ = 150134522. Its totient is φ = 150134520.

The previous prime is 150134489. The next prime is 150134557. The reversal of 150134521 is 125431051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120758121 + 29376400 = 10989^2 + 5420^2 .

It is an emirp because it is prime and its reverse (125431051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150134521 - 2⁵ = 150134489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150134492 and 150134501.

It is not a weakly prime, because it can be changed into another prime (150134221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75067260 + 75067261.

It is an arithmetic number, because the mean of its divisors is an integer number (75067261).

Almost surely, 2^150134521 is an apocalyptic number.

It is an amenable number.

150134521 is a deficient number, since it is larger than the sum of its proper divisors (1).

150134521 is an equidigital number, since it uses as much as digits as its factorization.

150134521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 150134521 is about 12252.9392800258. The cubic root of 150134521 is about 531.4880703489.

Adding to 150134521 its reverse (125431051), we get a palindrome (275565572).

The spelling of 150134521 in words is "one hundred fifty million, one hundred thirty-four thousand, five hundred twenty-one".