155240050 has 24 divisors (see below), whose sum is σ = 329996736. Its totient is φ = 53225040.

The previous prime is 155240017. The next prime is 155240053. The reversal of 155240050 is 50042551.

It is not an unprimeable number, because it can be changed into a prime (155240053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221422 + ... + 222121.

It is an arithmetic number, because the mean of its divisors is an integer number (13749864).

Almost surely, 2^155240050 is an apocalyptic number.

155240050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155240050 is an abundant number, since it is smaller than the sum of its proper divisors (174756686).

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

155240050 is a wasteful number, since it uses less digits than its factorization.

155240050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443562 (or 443557 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 155240050 is about 12459.5365082334. The cubic root of 155240050 is about 537.4456984985.

The spelling of 155240050 in words is "one hundred fifty-five million, two hundred forty thousand, fifty".