155241408 has 168 divisors, whose sum is σ = 495147600. Its totient is φ = 42749952.

The previous prime is 155241407. The next prime is 155241431. The reversal of 155241408 is 804142551.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155241403) 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, 272548 + ... + 273116.

Almost surely, 2^155241408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155241408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247573800).

155241408 is an abundant number, since it is smaller than the sum of its proper divisors (339906192).

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

155241408 is a wasteful number, since it uses less digits than its factorization.

155241408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 155241408 is about 12459.5910045234. The cubic root of 155241408 is about 537.4472656394.

Adding to 155241408 its reverse (804142551), we get a palindrome (959383959).

The spelling of 155241408 in words is "one hundred fifty-five million, two hundred forty-one thousand, four hundred eight".