150555 has 8 divisors (see below), whose sum is σ = 240912. Its totient is φ = 80288.

The previous prime is 150551. The next prime is 150559. The reversal of 150555 is 555051.

It is an interprime number because it is at equal distance from previous prime (150551) and next prime (150559).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150555 - 2² = 150551 is a prime.

150555 is a modest number, since divided by 555 gives 150 as remainder.

It is not an unprimeable number, because it can be changed into a prime (150551) 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, 5004 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (30114).

2¹⁵⁰⁵⁵⁵ is an apocalyptic number.

150555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150555 is a deficient number, since it is larger than the sum of its proper divisors (90357).

150555 is a wasteful number, since it uses less digits than its factorization.

150555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10045.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 150555 is about 388.0141749988. The cubic root of 150555 is about 53.1983784155.

Subtracting 150555 from its reverse (555051), we obtain a square (404496 = 636²).

The spelling of 150555 in words is "one hundred fifty thousand, five hundred fifty-five".