155454212 has 24 divisors (see below), whose sum is σ = 281336832. Its totient is φ = 75081600.

The previous prime is 155454193. The next prime is 155454259. The reversal of 155454212 is 212454551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108533 + ... + 109955.

It is an arithmetic number, because the mean of its divisors is an integer number (11722368).

Almost surely, 2^155454212 is an apocalyptic number.

It is an amenable number.

155454212 is a deficient number, since it is larger than the sum of its proper divisors (125882620).

155454212 is a wasteful number, since it uses less digits than its factorization.

155454212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2337 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 155454212 is about 12468.1278466336. The cubic root of 155454212 is about 537.6927300197.

The spelling of 155454212 in words is "one hundred fifty-five million, four hundred fifty-four thousand, two hundred twelve".