145738377 has 6 divisors (see below), whose sum is σ = 210511002. Its totient is φ = 97158912.

The previous prime is 145738343. The next prime is 145738391. The reversal of 145738377 is 773837541.

145738377 is a `hidden beast` number, since 1 + 4 + 573 + 8 + 3 + 77 = 666.

145738377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79495056 + 66243321 = 8916^2 + 8139^2 .

It is not a de Polignac number, because 145738377 - 2⁷ = 145738249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145738337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8096568 + ... + 8096585.

It is an arithmetic number, because the mean of its divisors is an integer number (35085167).

Almost surely, 2^145738377 is an apocalyptic number.

It is an amenable number.

145738377 is a deficient number, since it is larger than the sum of its proper divisors (64772625).

145738377 is a wasteful number, since it uses less digits than its factorization.

145738377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193159 (or 16193156 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 145738377 is about 12072.2150825770. The cubic root of 145738377 is about 526.2490315052.

The spelling of 145738377 in words is "one hundred forty-five million, seven hundred thirty-eight thousand, three hundred seventy-seven".