155041620 has 48 divisors (see below), whose sum is σ = 452995200. Its totient is φ = 39546496.

The previous prime is 155041613. The next prime is 155041637. The reversal of 155041620 is 26140551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54795 + ... + 57554.

It is an arithmetic number, because the mean of its divisors is an integer number (9437400).

Almost surely, 2^155041620 is an apocalyptic number.

155041620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155041620 is an abundant number, since it is smaller than the sum of its proper divisors (297953580).

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

155041620 is a wasteful number, since it uses less digits than its factorization.

155041620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112384 (or 112382 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 155041620 is about 12451.5709852211. The cubic root of 155041620 is about 537.2166106637.

The spelling of 155041620 in words is "one hundred fifty-five million, forty-one thousand, six hundred twenty".