145436877 has 10 divisors (see below), whose sum is σ = 217257678. Its totient is φ = 96957864.

The previous prime is 145436839. The next prime is 145436891. The reversal of 145436877 is 778634541.

145436877 is a `hidden beast` number, since 145 + 436 + 8 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72948681 + 72488196 = 8541^2 + 8514^2 .

It is not a de Polignac number, because 145436877 - 2¹⁴ = 145420493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145436807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 897678 + ... + 897839.

Almost surely, 2^145436877 is an apocalyptic number.

It is an amenable number.

145436877 is a deficient number, since it is larger than the sum of its proper divisors (71820801).

145436877 is an equidigital number, since it uses as much as digits as its factorization.

145436877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795529 (or 1795520 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 145436877 is about 12059.7212654356. The cubic root of 145436877 is about 525.8858839124.

The spelling of 145436877 in words is "one hundred forty-five million, four hundred thirty-six thousand, eight hundred seventy-seven".