155454422 has 16 divisors (see below), whose sum is σ = 235104000. Its totient is φ = 77089320.

The previous prime is 155454407. The next prime is 155454433. The reversal of 155454422 is 224454551.

It is a congruent number.

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, 246047 + ... + 246677.

It is an arithmetic number, because the mean of its divisors is an integer number (14694000).

Almost surely, 2^155454422 is an apocalyptic number.

155454422 is a deficient number, since it is larger than the sum of its proper divisors (79649578).

155454422 is a wasteful number, since it uses less digits than its factorization.

155454422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its digits is 32000, while the sum is 32.

The square root of 155454422 is about 12468.1362681036. The cubic root of 155454422 is about 537.6929721390.

The spelling of 155454422 in words is "one hundred fifty-five million, four hundred fifty-four thousand, four hundred twenty-two".