145109077 has 2 divisors, whose sum is σ = 145109078. Its totient is φ = 145109076.

The previous prime is 145109053. The next prime is 145109101. The reversal of 145109077 is 770901541.

It is a balanced prime because it is at equal distance from previous prime (145109053) and next prime (145109101).

It can be written as a sum of positive squares in only one way, i.e., 124233316 + 20875761 = 11146^2 + 4569^2 .

It is an emirp because it is prime and its reverse (770901541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145109077 - 2²³ = 136720469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145104077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72554538 + 72554539.

It is an arithmetic number, because the mean of its divisors is an integer number (72554539).

Almost surely, 2^145109077 is an apocalyptic number.

It is an amenable number.

145109077 is a deficient number, since it is larger than the sum of its proper divisors (1).

145109077 is an equidigital number, since it uses as much as digits as its factorization.

145109077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 145109077 is about 12046.1229032415. The cubic root of 145109077 is about 525.4904888521.

The spelling of 145109077 in words is "one hundred forty-five million, one hundred nine thousand, seventy-seven".