145656718 has 4 divisors (see below), whose sum is σ = 218485080. Its totient is φ = 72828358.

The previous prime is 145656701. The next prime is 145656733. The reversal of 145656718 is 817656541.

145656718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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, 36414178 + ... + 36414181.

It is an arithmetic number, because the mean of its divisors is an integer number (54621270).

Almost surely, 2^145656718 is an apocalyptic number.

145656718 is a deficient number, since it is larger than the sum of its proper divisors (72828362).

145656718 is an equidigital number, since it uses as much as digits as its factorization.

145656718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72828361.

The product of its digits is 201600, while the sum is 43.

The square root of 145656718 is about 12068.8325036020. The cubic root of 145656718 is about 526.1507252134.

The spelling of 145656718 in words is "one hundred forty-five million, six hundred fifty-six thousand, seven hundred eighteen".