149434 has 4 divisors (see below), whose sum is σ = 224154. Its totient is φ = 74716.

The previous prime is 149423. The next prime is 149441. The reversal of 149434 is 434941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434941 = 13 ⋅33457.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 23409 = 355^2 + 153^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 149399 and 149408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37357 + ... + 37360.

2¹⁴⁹⁴³⁴ is an apocalyptic number.

149434 is a deficient number, since it is larger than the sum of its proper divisors (74720).

149434 is an equidigital number, since it uses as much as digits as its factorization.

149434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74719.

The product of its digits is 1728, while the sum is 25.

The square root of 149434 is about 386.5669411628. The cubic root of 149434 is about 53.0660148092.

The spelling of 149434 in words is "one hundred forty-nine thousand, four hundred thirty-four".