161434 has 16 divisors (see below), whose sum is σ = 298368. Its totient is φ = 63792.

The previous prime is 161411. The next prime is 161453. The reversal of 161434 is 434161.

161434 = 62² + 63² + ... + 89².

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

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, 262 + ... + 625.

It is an arithmetic number, because the mean of its divisors is an integer number (18648).

2¹⁶¹⁴³⁴ is an apocalyptic number.

161434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161434 is a deficient number, since it is larger than the sum of its proper divisors (136934).

161434 is a wasteful number, since it uses less digits than its factorization.

161434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909.

The product of its digits is 288, while the sum is 19.

The square root of 161434 is about 401.7885015776. The cubic root of 161434 is about 54.4500566507.

Adding to 161434 its reverse (434161), we get a palindrome (595595).

It can be divided in two parts, 161 and 434, that added together give a palindrome (595).

The spelling of 161434 in words is "one hundred sixty-one thousand, four hundred thirty-four".