150448729 has 2 divisors, whose sum is σ = 150448730. Its totient is φ = 150448728.

The previous prime is 150448679. The next prime is 150448747. The reversal of 150448729 is 927844051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141610000 + 8838729 = 11900^2 + 2973^2 .

It is an emirp because it is prime and its reverse (927844051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150448729 - 2⁷ = 150448601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 150448691 and 150448700.

It is not a weakly prime, because it can be changed into another prime (150448769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75224364 + 75224365.

It is an arithmetic number, because the mean of its divisors is an integer number (75224365).

Almost surely, 2^150448729 is an apocalyptic number.

It is an amenable number.

150448729 is a deficient number, since it is larger than the sum of its proper divisors (1).

150448729 is an equidigital number, since it uses as much as digits as its factorization.

150448729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 150448729 is about 12265.7543184266. The cubic root of 150448729 is about 531.8585857101.

The spelling of 150448729 in words is "one hundred fifty million, four hundred forty-eight thousand, seven hundred twenty-nine".