155463212 has 12 divisors (see below), whose sum is σ = 274557360. Its totient is φ = 77018256.

The previous prime is 155463211. The next prime is 155463221. The reversal of 155463212 is 212364551.

It is not an unprimeable number, because it can be changed into a prime (155463211) by changing a digit.

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, 177848 + ... + 178719.

It is an arithmetic number, because the mean of its divisors is an integer number (22879780).

Almost surely, 2^155463212 is an apocalyptic number.

It is an amenable number.

155463212 is a deficient number, since it is larger than the sum of its proper divisors (119094148).

155463212 is a wasteful number, since it uses less digits than its factorization.

155463212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356680 (or 356678 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 155463212 is about 12468.4887616744. The cubic root of 155463212 is about 537.7031063681.

The spelling of 155463212 in words is "one hundred fifty-five million, four hundred sixty-three thousand, two hundred twelve".