145356577 has 2 divisors, whose sum is σ = 145356578. Its totient is φ = 145356576.

The previous prime is 145356569. The next prime is 145356583. The reversal of 145356577 is 775653541.

145356577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123743376 + 21613201 = 11124^2 + 4649^2 .

It is a cyclic number.

It is not a de Polignac number, because 145356577 - 2³ = 145356569 is a prime.

It is a super-2 number, since 2×145356577² = 42257068954313858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145356557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72678288 + 72678289.

It is an arithmetic number, because the mean of its divisors is an integer number (72678289).

Almost surely, 2^145356577 is an apocalyptic number.

It is an amenable number.

145356577 is a deficient number, since it is larger than the sum of its proper divisors (1).

145356577 is an equidigital number, since it uses as much as digits as its factorization.

145356577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 441000, while the sum is 43.

The square root of 145356577 is about 12056.3915414190. The cubic root of 145356577 is about 525.7890803789.

It can be divided in two parts, 14535 and 6577, that added together give a palindrome (21112).

The spelling of 145356577 in words is "one hundred forty-five million, three hundred fifty-six thousand, five hundred seventy-seven".