150228557 has 2 divisors, whose sum is σ = 150228558. Its totient is φ = 150228556.

The previous prime is 150228517. The next prime is 150228593. The reversal of 150228557 is 755822051.

150228557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127893481 + 22335076 = 11309^2 + 4726^2 .

It is a cyclic number.

It is not a de Polignac number, because 150228557 - 2²² = 146034253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150228517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75114278 + 75114279.

It is an arithmetic number, because the mean of its divisors is an integer number (75114279).

Almost surely, 2^150228557 is an apocalyptic number.

It is an amenable number.

150228557 is a deficient number, since it is larger than the sum of its proper divisors (1).

150228557 is an equidigital number, since it uses as much as digits as its factorization.

150228557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 150228557 is about 12256.7759627073. The cubic root of 150228557 is about 531.5990121469.

The spelling of 150228557 in words is "one hundred fifty million, two hundred twenty-eight thousand, five hundred fifty-seven".