145484134 has 4 divisors (see below), whose sum is σ = 218226204. Its totient is φ = 72742066.

The previous prime is 145484123. The next prime is 145484149. The reversal of 145484134 is 431484541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 431484541 = 1303 ⋅331147.

It is a self number, because there is not a number n which added to its sum of digits gives 145484134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36371032 + ... + 36371035.

It is an arithmetic number, because the mean of its divisors is an integer number (54556551).

Almost surely, 2^145484134 is an apocalyptic number.

145484134 is a deficient number, since it is larger than the sum of its proper divisors (72742070).

145484134 is an equidigital number, since it uses as much as digits as its factorization.

145484134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72742069.

The product of its digits is 30720, while the sum is 34.

The square root of 145484134 is about 12061.6803970259. The cubic root of 145484134 is about 525.9428366800.

The spelling of 145484134 in words is "one hundred forty-five million, four hundred eighty-four thousand, one hundred thirty-four".