155434 has 16 divisors (see below), whose sum is σ = 253440. Its totient is φ = 71280.

The previous prime is 155423. The next prime is 155443. The reversal of 155434 is 434551.

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, 1372 + ... + 1480.

It is an arithmetic number, because the mean of its divisors is an integer number (15840).

2¹⁵⁵⁴³⁴ is an apocalyptic number.

155434 is a deficient number, since it is larger than the sum of its proper divisors (98006).

155434 is a wasteful number, since it uses less digits than its factorization.

155434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165.

The product of its digits is 1200, while the sum is 22.

The square root of 155434 is about 394.2511889646. The cubic root of 155434 is about 53.7669425587.

Adding to 155434 its reverse (434551), we get a palindrome (589985).

The spelling of 155434 in words is "one hundred fifty-five thousand, four hundred thirty-four".