155426555 has 8 divisors (see below), whose sum is σ = 196328400. Its totient is φ = 117796896.

The previous prime is 155426549. The next prime is 155426561. The reversal of 155426555 is 555624551.

It is an interprime number because it is at equal distance from previous prime (155426549) and next prime (155426561).

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 155426555 - 2⁴ = 155426539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817940 + ... + 818129.

It is an arithmetic number, because the mean of its divisors is an integer number (24541050).

Almost surely, 2^155426555 is an apocalyptic number.

155426555 is a deficient number, since it is larger than the sum of its proper divisors (40901845).

155426555 is a wasteful number, since it uses less digits than its factorization.

155426555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636093.

The product of its digits is 150000, while the sum is 38.

The square root of 155426555 is about 12467.0186893258. The cubic root of 155426555 is about 537.6608409946.

The spelling of 155426555 in words is "one hundred fifty-five million, four hundred twenty-six thousand, five hundred fifty-five".