145654877 has 2 divisors, whose sum is σ = 145654878. Its totient is φ = 145654876.

The previous prime is 145654823. The next prime is 145654879. The reversal of 145654877 is 778456541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138627076 + 7027801 = 11774^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 145654877 - 2²² = 141460573 is a prime.

Together with 145654879, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145654879) 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 as a sum of consecutive naturals, namely, 72827438 + 72827439.

It is an arithmetic number, because the mean of its divisors is an integer number (72827439).

Almost surely, 2^145654877 is an apocalyptic number.

It is an amenable number.

145654877 is a deficient number, since it is larger than the sum of its proper divisors (1).

145654877 is an equidigital number, since it uses as much as digits as its factorization.

145654877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 47.

The square root of 145654877 is about 12068.7562325204. The cubic root of 145654877 is about 526.1485084772.

The spelling of 145654877 in words is "one hundred forty-five million, six hundred fifty-four thousand, eight hundred seventy-seven".