155215468 has 12 divisors (see below), whose sum is σ = 271725552. Its totient is φ = 77579600.

The previous prime is 155215451. The next prime is 155215493. The reversal of 155215468 is 864512551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9918 + ... + 20218.

It is an arithmetic number, because the mean of its divisors is an integer number (22643796).

Almost surely, 2^155215468 is an apocalyptic number.

It is an amenable number.

155215468 is a deficient number, since it is larger than the sum of its proper divisors (116510084).

155215468 is a wasteful number, since it uses less digits than its factorization.

155215468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072 (or 14070 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 155215468 is about 12458.5499958864. The cubic root of 155215468 is about 537.4173291278.

It can be divided in two parts, 1552 and 15468, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 155215468 in words is "one hundred fifty-five million, two hundred fifteen thousand, four hundred sixty-eight".