155342000 has 160 divisors (see below), whose sum is σ = 428972544. Its totient is φ = 53856000.

The previous prime is 155341999. The next prime is 155342017. The reversal of 155342000 is 243551.

It is a super-2 number, since 2×155342000² = 48262273928000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505847 + ... + 506153.

Almost surely, 2^155342000 is an apocalyptic number.

155342000 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 155342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214486272).

155342000 is an abundant number, since it is smaller than the sum of its proper divisors (273630544).

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

155342000 is a wasteful number, since it uses less digits than its factorization.

155342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 155342000 is about 12463.6270804289. The cubic root of 155342000 is about 537.5633240699.

Adding to 155342000 its reverse (243551), we get a palindrome (155585551).

The spelling of 155342000 in words is "one hundred fifty-five million, three hundred forty-two thousand".