145669678 has 16 divisors (see below), whose sum is σ = 272421504. Its totient is φ = 56754360.

The previous prime is 145669673. The next prime is 145669709. The reversal of 145669678 is 876966541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145669673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472800 + ... + 473107.

It is an arithmetic number, because the mean of its divisors is an integer number (17026344).

Almost surely, 2^145669678 is an apocalyptic number.

145669678 is a deficient number, since it is larger than the sum of its proper divisors (126751826).

145669678 is a wasteful number, since it uses less digits than its factorization.

145669678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945927.

The product of its digits is 2177280, while the sum is 52.

The square root of 145669678 is about 12069.3694118624. The cubic root of 145669678 is about 526.1663297372.

The spelling of 145669678 in words is "one hundred forty-five million, six hundred sixty-nine thousand, six hundred seventy-eight".