145726065 has 12 divisors (see below), whose sum is σ = 252591924. Its totient is φ = 77720544.

The previous prime is 145726033. The next prime is 145726079. The reversal of 145726065 is 560627541.

It is a happy number.

145726065 is a `hidden beast` number, since 1 + 45 + 7 + 2 + 606 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42419169 + 103306896 = 6513^2 + 10164^2 .

It is not a de Polignac number, because 145726065 - 2⁵ = 145726033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619134 + ... + 1619223.

It is an arithmetic number, because the mean of its divisors is an integer number (21049327).

Almost surely, 2^145726065 is an apocalyptic number.

145726065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145726065 is a deficient number, since it is larger than the sum of its proper divisors (106865859).

145726065 is a wasteful number, since it uses less digits than its factorization.

145726065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238368 (or 3238365 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 145726065 is about 12071.7051405342. The cubic root of 145726065 is about 526.2342118888.

The spelling of 145726065 in words is "one hundred forty-five million, seven hundred twenty-six thousand, sixty-five".