145547677 has 8 divisors (see below), whose sum is σ = 163071072. Its totient is φ = 128739600.

The previous prime is 145547671. The next prime is 145547687. The reversal of 145547677 is 776745541.

145547677 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 not a de Polignac number, because 145547677 - 2²³ = 137159069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145547671) 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, 178399 + ... + 179212.

It is an arithmetic number, because the mean of its divisors is an integer number (20383884).

Almost surely, 2^145547677 is an apocalyptic number.

It is an amenable number.

145547677 is a deficient number, since it is larger than the sum of its proper divisors (17523395).

145547677 is a wasteful number, since it uses less digits than its factorization.

145547677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357659.

The product of its digits is 823200, while the sum is 46.

The square root of 145547677 is about 12064.3141951791. The cubic root of 145547677 is about 526.0193974255.

The spelling of 145547677 in words is "one hundred forty-five million, five hundred forty-seven thousand, six hundred seventy-seven".