155095381 has 8 divisors (see below), whose sum is σ = 177327360. Its totient is φ = 132882288.

The previous prime is 155095373. The next prime is 155095397. The reversal of 155095381 is 183590551.

155095381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155095381 - 2³ = 155095373 is a prime.

It is a super-2 number, since 2×155095381² = 48109154415070322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155095381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155095361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28260 + ... + 33298.

It is an arithmetic number, because the mean of its divisors is an integer number (22165920).

Almost surely, 2^155095381 is an apocalyptic number.

It is an amenable number.

155095381 is a deficient number, since it is larger than the sum of its proper divisors (22231979).

155095381 is an equidigital number, since it uses as much as digits as its factorization.

155095381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443.

The product of its (nonzero) digits is 27000, while the sum is 37.

The square root of 155095381 is about 12453.7296020108. The cubic root of 155095381 is about 537.2786971422.

The spelling of 155095381 in words is "one hundred fifty-five million, ninety-five thousand, three hundred eighty-one".