155214000 has 120 divisors (see below), whose sum is σ = 542173632. Its totient is φ = 41385600.

The previous prime is 155213999. The next prime is 155214019. The reversal of 155214000 is 412551.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13689 + ... + 22311.

Almost surely, 2^155214000 is an apocalyptic number.

155214000 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 155214000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271086816).

155214000 is an abundant number, since it is smaller than the sum of its proper divisors (386959632).

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

155214000 is a wasteful number, since it uses less digits than its factorization.

155214000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652 (or 8633 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 155214000 is about 12458.4910803837. The cubic root of 155214000 is about 537.4156348569.

Adding to 155214000 its reverse (412551), we get a palindrome (155626551).

The spelling of 155214000 in words is "one hundred fifty-five million, two hundred fourteen thousand".