155423375 has 8 divisors (see below), whose sum is σ = 193968528. Its totient is φ = 124338600.

The previous prime is 155423369. The next prime is 155423381. The reversal of 155423375 is 573324551.

It is an interprime number because it is at equal distance from previous prime (155423369) and next prime (155423381).

It is not a de Polignac number, because 155423375 - 2¹⁴ = 155406991 is a prime.

It is a Duffinian number.

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, 621569 + ... + 621818.

It is an arithmetic number, because the mean of its divisors is an integer number (24246066).

Almost surely, 2^155423375 is an apocalyptic number.

155423375 is a deficient number, since it is larger than the sum of its proper divisors (38545153).

155423375 is an equidigital number, since it uses as much as digits as its factorization.

155423375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243402 (or 1243392 counting only the distinct ones).

The product of its digits is 63000, while the sum is 35.

The square root of 155423375 is about 12466.8911521678. The cubic root of 155423375 is about 537.6571741541.

The spelling of 155423375 in words is "one hundred fifty-five million, four hundred twenty-three thousand, three hundred seventy-five".