155049600 has 192 divisors, whose sum is σ = 528180480. Its totient is φ = 39936000.

The previous prime is 155049563. The next prime is 155049607. The reversal of 155049600 is 6940551.

155049600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (155049607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297340 + ... + 297860.

It is an arithmetic number, because the mean of its divisors is an integer number (2750940).

Almost surely, 2^155049600 is an apocalyptic number.

155049600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155049600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264090240).

155049600 is an abundant number, since it is smaller than the sum of its proper divisors (373130880).

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

155049600 is a wasteful number, since it uses less digits than its factorization.

155049600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 155049600 is about 12451.8914225912. The cubic root of 155049600 is about 537.2258273609.

The spelling of 155049600 in words is "one hundred fifty-five million, forty-nine thousand, six hundred".