155748055 has 8 divisors (see below), whose sum is σ = 189458352. Its totient is φ = 122891328.

The previous prime is 155748049. The next prime is 155748071. The reversal of 155748055 is 550847551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155748055 - 2¹³ = 155739863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155747999 and 155748017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212989 + ... + 213718.

It is an arithmetic number, because the mean of its divisors is an integer number (23682294).

Almost surely, 2^155748055 is an apocalyptic number.

155748055 is a deficient number, since it is larger than the sum of its proper divisors (33710297).

155748055 is an equidigital number, since it uses as much as digits as its factorization.

155748055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426785.

The product of its (nonzero) digits is 140000, while the sum is 40.

The square root of 155748055 is about 12479.9060493259. The cubic root of 155748055 is about 538.0313030252.

The spelling of 155748055 in words is "one hundred fifty-five million, seven hundred forty-eight thousand, fifty-five".