150528138 has 16 divisors (see below), whose sum is σ = 308399616. Its totient is φ = 48952160.

The previous prime is 150528137. The next prime is 150528139. The reversal of 150528138 is 831825051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (150528137) and next prime (150528139).

It is a junction number, because it is equal to n+sod(n) for n = 150528099 and 150528108.

It is not an unprimeable number, because it can be changed into a prime (150528137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305706 + ... + 306197.

It is an arithmetic number, because the mean of its divisors is an integer number (19274976).

Almost surely, 2^150528138 is an apocalyptic number.

150528138 is an abundant number, since it is smaller than the sum of its proper divisors (157871478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150528138 is a wasteful number, since it uses less digits than its factorization.

150528138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611949.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 150528138 is about 12268.9909120514. The cubic root of 150528138 is about 531.9521434518.

The spelling of 150528138 in words is "one hundred fifty million, five hundred twenty-eight thousand, one hundred thirty-eight".