150021233 has 2 divisors, whose sum is σ = 150021234. Its totient is φ = 150021232.

The previous prime is 150021229. The next prime is 150021253. The reversal of 150021233 is 332120051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115175824 + 34845409 = 10732^2 + 5903^2 .

It is a cyclic number.

It is not a de Polignac number, because 150021233 - 2² = 150021229 is a prime.

It is not a weakly prime, because it can be changed into another prime (150021253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75010616 + 75010617.

It is an arithmetic number, because the mean of its divisors is an integer number (75010617).

Almost surely, 2^150021233 is an apocalyptic number.

It is an amenable number.

150021233 is a deficient number, since it is larger than the sum of its proper divisors (1).

150021233 is an equidigital number, since it uses as much as digits as its factorization.

150021233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 150021233 is about 12248.3155168374. The cubic root of 150021233 is about 531.3543538856.

Adding to 150021233 its reverse (332120051), we get a palindrome (482141284).

The spelling of 150021233 in words is "one hundred fifty million, twenty-one thousand, two hundred thirty-three".