155070650 has 24 divisors (see below), whose sum is σ = 329636640. Its totient is φ = 53166960.

The previous prime is 155070613. The next prime is 155070661. The reversal of 155070650 is 56070551.

155070650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221180 + ... + 221879.

It is an arithmetic number, because the mean of its divisors is an integer number (13734860).

Almost surely, 2^155070650 is an apocalyptic number.

155070650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155070650 is an abundant number, since it is smaller than the sum of its proper divisors (174565990).

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

155070650 is a wasteful number, since it uses less digits than its factorization.

155070650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443078 (or 443073 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 155070650 is about 12452.7366470186. The cubic root of 155070650 is about 537.2501380588.

Subtracting from 155070650 its reverse (56070551), we obtain a palindrome (99000099).

The spelling of 155070650 in words is "one hundred fifty-five million, seventy thousand, six hundred fifty".