155773400 has 48 divisors (see below), whose sum is σ = 381244200. Its totient is φ = 59028480.

The previous prime is 155773399. The next prime is 155773403. The reversal of 155773400 is 4377551.

155773400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155773403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16697 + ... + 24296.

Almost surely, 2^155773400 is an apocalyptic number.

155773400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155773400 is an abundant number, since it is smaller than the sum of its proper divisors (225470800).

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

155773400 is a wasteful number, since it uses less digits than its factorization.

155773400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41028 (or 41019 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 155773400 is about 12480.9214403425. The cubic root of 155773400 is about 538.0604861906.

The spelling of 155773400 in words is "one hundred fifty-five million, seven hundred seventy-three thousand, four hundred".