151550 has 24 divisors (see below), whose sum is σ = 322896. Its totient is φ = 51840.

The previous prime is 151549. The next prime is 151553. The reversal of 151550 is 55151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134 + ... + 566.

It is an arithmetic number, because the mean of its divisors is an integer number (13454).

2¹⁵¹⁵⁵⁰ is an apocalyptic number.

151550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151550 is an abundant number, since it is smaller than the sum of its proper divisors (171346).

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

151550 is a wasteful number, since it uses less digits than its factorization.

151550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 151550 is about 389.2942331964. The cubic root of 151550 is about 53.3153150939.

The spelling of 151550 in words is "one hundred fifty-one thousand, five hundred fifty".