153434 has 4 divisors (see below), whose sum is σ = 230154. Its totient is φ = 76716.

The previous prime is 153427. The next prime is 153437. The reversal of 153434 is 434351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434351 = 103 ⋅4217.

It can be written as a sum of positive squares in only one way, i.e., 112225 + 41209 = 335^2 + 203^2 .

It is a d-powerful number, because it can be written as 1 + 5⁷ + 4⁵ + 3⁷ + 3⁸ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (153437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38357 + ... + 38360.

2¹⁵³⁴³⁴ is an apocalyptic number.

153434 is a deficient number, since it is larger than the sum of its proper divisors (76720).

153434 is an equidigital number, since it uses as much as digits as its factorization.

153434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76719.

The product of its digits is 720, while the sum is 20.

The square root of 153434 is about 391.7065227948. The cubic root of 153434 is about 53.5353363666.

Adding to 153434 its reverse (434351), we get a palindrome (587785).

It can be divided in two parts, 1 and 53434, that added together give a palindrome (53435).

The spelling of 153434 in words is "one hundred fifty-three thousand, four hundred thirty-four".