145880577 has 12 divisors (see below), whose sum is σ = 211521024. Its totient is φ = 96882360.

The previous prime is 145880569. The next prime is 145880597. The reversal of 145880577 is 775088541.

It is a happy number.

145880577 is a `hidden beast` number, since 14 + 588 + 0 + 57 + 7 = 666.

It is not a de Polignac number, because 145880577 - 2³ = 145880569 is a prime.

It is a super-2 number, since 2×145880577² = 42562285491705858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145880597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28449 + ... + 33182.

It is an arithmetic number, because the mean of its divisors is an integer number (17626752).

Almost surely, 2^145880577 is an apocalyptic number.

It is an amenable number.

145880577 is a deficient number, since it is larger than the sum of its proper divisors (65640447).

145880577 is a wasteful number, since it uses less digits than its factorization.

145880577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61900 (or 61897 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 145880577 is about 12078.1032037320. The cubic root of 145880577 is about 526.4201332846.

The spelling of 145880577 in words is "one hundred forty-five million, eight hundred eighty thousand, five hundred seventy-seven".