145686134 has 8 divisors (see below), whose sum is σ = 238395528. Its totient is φ = 66220960.

The previous prime is 145686133. The next prime is 145686139. The reversal of 145686134 is 431686541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145686133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3311027 + ... + 3311070.

It is an arithmetic number, because the mean of its divisors is an integer number (29799441).

Almost surely, 2^145686134 is an apocalyptic number.

145686134 is a deficient number, since it is larger than the sum of its proper divisors (92709394).

145686134 is a wasteful number, since it uses less digits than its factorization.

145686134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622110.

The product of its digits is 69120, while the sum is 38.

The square root of 145686134 is about 12070.0511183673. The cubic root of 145686134 is about 526.1861422958.

It can be divided in two parts, 14568 and 6134, that added together give a palindrome (20702).

The spelling of 145686134 in words is "one hundred forty-five million, six hundred eighty-six thousand, one hundred thirty-four".