155335400 has 48 divisors (see below), whose sum is σ = 393992640. Its totient is φ = 56484800.

The previous prime is 155335391. The next prime is 155335403. The reversal of 155335400 is 4533551.

It is a self number, because there is not a number n which added to its sum of digits gives 155335400.

It is not an unprimeable number, because it can be changed into a prime (155335403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33104 + ... + 37503.

It is an arithmetic number, because the mean of its divisors is an integer number (8208180).

Almost surely, 2^155335400 is an apocalyptic number.

155335400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155335400 is an abundant number, since it is smaller than the sum of its proper divisors (238657240).

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

155335400 is a wasteful number, since it uses less digits than its factorization.

155335400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70634 (or 70625 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 155335400 is about 12463.3623071786. The cubic root of 155335400 is about 537.5557108291. Note that the first 3 decimals are identical.

Adding to 155335400 its reverse (4533551), we get a palindrome (159868951).

The spelling of 155335400 in words is "one hundred fifty-five million, three hundred thirty-five thousand, four hundred".