155148895 has 8 divisors (see below), whose sum is σ = 203104080. Its totient is φ = 112835520.

The previous prime is 155148863. The next prime is 155148901. The reversal of 155148895 is 598841551.

It is a happy number.

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

It is not a de Polignac number, because 155148895 - 2⁵ = 155148863 is a prime.

It is a congruent number.

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, 1410390 + ... + 1410499.

It is an arithmetic number, because the mean of its divisors is an integer number (25388010).

Almost surely, 2^155148895 is an apocalyptic number.

155148895 is a deficient number, since it is larger than the sum of its proper divisors (47955185).

155148895 is a wasteful number, since it uses less digits than its factorization.

155148895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820905.

The product of its digits is 288000, while the sum is 46.

The square root of 155148895 is about 12455.8779297166. The cubic root of 155148895 is about 537.3404841230.

The spelling of 155148895 in words is "one hundred fifty-five million, one hundred forty-eight thousand, eight hundred ninety-five".