150233621 has 2 divisors, whose sum is σ = 150233622. Its totient is φ = 150233620.

The previous prime is 150233599. The next prime is 150233683. The reversal of 150233621 is 126332051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143400625 + 6832996 = 11975^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 150233621 - 2⁶ = 150233557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150233221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75116810 + 75116811.

It is an arithmetic number, because the mean of its divisors is an integer number (75116811).

Almost surely, 2^150233621 is an apocalyptic number.

It is an amenable number.

150233621 is a deficient number, since it is larger than the sum of its proper divisors (1).

150233621 is an equidigital number, since it uses as much as digits as its factorization.

150233621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 150233621 is about 12256.9825405766. The cubic root of 150233621 is about 531.6049852393.

Adding to 150233621 its reverse (126332051), we get a palindrome (276565672).

The spelling of 150233621 in words is "one hundred fifty million, two hundred thirty-three thousand, six hundred twenty-one".