155350400 has 96 divisors (see below), whose sum is σ = 393036600. Its totient is φ = 60641280.

The previous prime is 155350381. The next prime is 155350417. The reversal of 155350400 is 4053551.

It is a congruent number.

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, 137036 + ... + 138164.

Almost surely, 2^155350400 is an apocalyptic number.

155350400 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 155350400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196518300).

155350400 is an abundant number, since it is smaller than the sum of its proper divisors (237686200).

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

155350400 is a wasteful number, since it uses less digits than its factorization.

155350400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1179 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 155350400 is about 12463.9640564308. The cubic root of 155350400 is about 537.5730133373.

The spelling of 155350400 in words is "one hundred fifty-five million, three hundred fifty thousand, four hundred".