155448122 has 16 divisors (see below), whose sum is σ = 243585792. Its totient is φ = 74260560.

The previous prime is 155448121. The next prime is 155448143. The reversal of 155448122 is 221844551.

It is not an unprimeable number, because it can be changed into a prime (155448121) 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, 62303 + ... + 64749.

It is an arithmetic number, because the mean of its divisors is an integer number (15224112).

Almost surely, 2^155448122 is an apocalyptic number.

155448122 is a deficient number, since it is larger than the sum of its proper divisors (88137670).

155448122 is a wasteful number, since it uses less digits than its factorization.

155448122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853.

The product of its digits is 12800, while the sum is 32.

The square root of 155448122 is about 12467.8836215294. The cubic root of 155448122 is about 537.6857084634.

The spelling of 155448122 in words is "one hundred fifty-five million, four hundred forty-eight thousand, one hundred twenty-two".