145678934 has 8 divisors (see below), whose sum is σ = 218583480. Its totient is φ = 72817776.

The previous prime is 145678901. The next prime is 145678963. The reversal of 145678934 is 439876541.

145678934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×145678934² = 42444703622752712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464 + ... + 17075.

It is an arithmetic number, because the mean of its divisors is an integer number (27322935).

Almost surely, 2^145678934 is an apocalyptic number.

145678934 is a deficient number, since it is larger than the sum of its proper divisors (72904546).

145678934 is a wasteful number, since it uses less digits than its factorization.

145678934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21694.

The product of its digits is 725760, while the sum is 47.

The square root of 145678934 is about 12069.7528557962. The cubic root of 145678934 is about 526.1774738830.

The spelling of 145678934 in words is "one hundred forty-five million, six hundred seventy-eight thousand, nine hundred thirty-four".