155142300 has 72 divisors (see below), whose sum is σ = 458470656. Its totient is φ = 40487360.

The previous prime is 155142293. The next prime is 155142307. The reversal of 155142300 is 3241551.

155142300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155142293) and next prime (155142307).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155142307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8599 + ... + 19601.

It is an arithmetic number, because the mean of its divisors is an integer number (6367648).

Almost surely, 2^155142300 is an apocalyptic number.

155142300 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 155142300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229235328).

155142300 is an abundant number, since it is smaller than the sum of its proper divisors (303328356).

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

155142300 is a wasteful number, since it uses less digits than its factorization.

155142300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11067 (or 11060 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 155142300 is about 12455.6131924526. The cubic root of 155142300 is about 537.3328703386.

Adding to 155142300 its reverse (3241551), we get a palindrome (158383851).

The spelling of 155142300 in words is "one hundred fifty-five million, one hundred forty-two thousand, three hundred".