155316850 has 24 divisors (see below), whose sum is σ = 311112900. Its totient is φ = 57347520.

The previous prime is 155316839. The next prime is 155316857. The reversal of 155316850 is 58613551.

It can be written as a sum of positive squares in 6 ways, for example, as 4297329 + 151019521 = 2073^2 + 12289^2 .

It is not an unprimeable number, because it can be changed into a prime (155316857) 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, 118825 + ... + 120124.

Almost surely, 2^155316850 is an apocalyptic number.

155316850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155316850 is an abundant number, since it is smaller than the sum of its proper divisors (155796050).

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

155316850 is a wasteful number, since it uses less digits than its factorization.

155316850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238974 (or 238969 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 155316850 is about 12462.6181037533. The cubic root of 155316850 is about 537.5343118532.

The spelling of 155316850 in words is "one hundred fifty-five million, three hundred sixteen thousand, eight hundred fifty".