155454434 has 8 divisors (see below), whose sum is σ = 233597520. Its totient is φ = 77588596.

The previous prime is 155454433. The next prime is 155454437. The reversal of 155454434 is 434454551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 155454394 and 155454403.

It is not an unprimeable number, because it can be changed into a prime (155454433) 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, 67904 + ... + 70155.

It is an arithmetic number, because the mean of its divisors is an integer number (29199690).

Almost surely, 2^155454434 is an apocalyptic number.

155454434 is a deficient number, since it is larger than the sum of its proper divisors (78143086).

155454434 is a wasteful number, since it uses less digits than its factorization.

155454434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138624.

The product of its digits is 96000, while the sum is 35.

The square root of 155454434 is about 12468.1367493303. The cubic root of 155454434 is about 537.6929859744.

The spelling of 155454434 in words is "one hundred fifty-five million, four hundred fifty-four thousand, four hundred thirty-four".