145077925849 has 2 divisors, whose sum is σ = 145077925850. Its totient is φ = 145077925848.

The previous prime is 145077925823. The next prime is 145077925913. The reversal of 145077925849 is 948529770541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107400398400 + 37677527449 = 327720^2 + 194107^2 .

It is a cyclic number.

It is not a de Polignac number, because 145077925849 - 2²¹ = 145075828697 is a prime.

It is not a weakly prime, because it can be changed into another prime (145077985849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72538962924 + 72538962925.

It is an arithmetic number, because the mean of its divisors is an integer number (72538962925).

Almost surely, 2^145077925849 is an apocalyptic number.

It is an amenable number.

145077925849 is a deficient number, since it is larger than the sum of its proper divisors (1).

145077925849 is an equidigital number, since it uses as much as digits as its factorization.

145077925849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 61.

The spelling of 145077925849 in words is "one hundred forty-five billion, seventy-seven million, nine hundred twenty-five thousand, eight hundred forty-nine".