155342130 has 32 divisors (see below), whose sum is σ = 373788864. Its totient is φ = 41317056.

The previous prime is 155342129. The next prime is 155342137. The reversal of 155342130 is 31243551.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 155342130.

It is not an unprimeable number, because it can be changed into a prime (155342137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5389 + ... + 18431.

It is an arithmetic number, because the mean of its divisors is an integer number (11680902).

Almost surely, 2^155342130 is an apocalyptic number.

155342130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155342130 is an abundant number, since it is smaller than the sum of its proper divisors (218446734).

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

155342130 is a wasteful number, since it uses less digits than its factorization.

155342130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 155342130 is about 12463.6322956031. The cubic root of 155342130 is about 537.5634740255.

Adding to 155342130 its reverse (31243551), we get a palindrome (186585681).

The spelling of 155342130 in words is "one hundred fifty-five million, three hundred forty-two thousand, one hundred thirty".