155266400 has 36 divisors (see below), whose sum is σ = 379046052. Its totient is φ = 62106240.

The previous prime is 155266379. The next prime is 155266417. The reversal of 155266400 is 4662551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96242 + ... + 97841.

It is an arithmetic number, because the mean of its divisors is an integer number (10529057).

Almost surely, 2^155266400 is an apocalyptic number.

155266400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155266400 is an abundant number, since it is smaller than the sum of its proper divisors (223779652).

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

155266400 is a wasteful number, since it uses less digits than its factorization.

155266400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194103 (or 194090 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 155266400 is about 12460.5938863282. The cubic root of 155266400 is about 537.4761049410.

The spelling of 155266400 in words is "one hundred fifty-five million, two hundred sixty-six thousand, four hundred".