150725550 has 48 divisors (see below), whose sum is σ = 377332992. Its totient is φ = 39813600.

The previous prime is 150725543. The next prime is 150725581. The reversal of 150725550 is 55527051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11355 + ... + 20745.

It is an arithmetic number, because the mean of its divisors is an integer number (7861104).

Almost surely, 2^150725550 is an apocalyptic number.

150725550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150725550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188666496).

150725550 is an abundant number, since it is smaller than the sum of its proper divisors (226607442).

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

150725550 is a wasteful number, since it uses less digits than its factorization.

150725550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9513 (or 9508 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 30.

The square root of 150725550 is about 12277.0334364618. The cubic root of 150725550 is about 532.1845869541.

The spelling of 150725550 in words is "one hundred fifty million, seven hundred twenty-five thousand, five hundred fifty".