145549877 has 8 divisors (see below), whose sum is σ = 162654912. Its totient is φ = 129090400.

The previous prime is 145549871. The next prime is 145549889. The reversal of 145549877 is 778945541.

It is a happy number.

145549877 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 cyclic number.

It is not a de Polignac number, because 145549877 - 2⁶ = 145549813 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 (145549871) 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, 160913 + ... + 161814.

It is an arithmetic number, because the mean of its divisors is an integer number (20331864).

Almost surely, 2^145549877 is an apocalyptic number.

It is an amenable number.

145549877 is a deficient number, since it is larger than the sum of its proper divisors (17105035).

145549877 is a wasteful number, since it uses less digits than its factorization.

145549877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322779.

The product of its digits is 1411200, while the sum is 50.

The square root of 145549877 is about 12064.4053728313. The cubic root of 145549877 is about 526.0220477296.

The spelling of 145549877 in words is "one hundred forty-five million, five hundred forty-nine thousand, eight hundred seventy-seven".