155411400 has 48 divisors (see below), whose sum is σ = 481777200. Its totient is φ = 41442880.

The previous prime is 155411383. The next prime is 155411429. The reversal of 155411400 is 4114551.

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, 128910 + ... + 130109.

It is an arithmetic number, because the mean of its divisors is an integer number (10037025).

Almost surely, 2^155411400 is an apocalyptic number.

155411400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155411400 is an abundant number, since it is smaller than the sum of its proper divisors (326365800).

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

155411400 is a wasteful number, since it uses less digits than its factorization.

155411400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259038 (or 259029 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 155411400 is about 12466.4108708160. The cubic root of 155411400 is about 537.6433653989.

Adding to 155411400 its reverse (4114551), we get a palindrome (159525951).

The spelling of 155411400 in words is "one hundred fifty-five million, four hundred eleven thousand, four hundred".