145009377 has 12 divisors (see below), whose sum is σ = 210847104. Its totient is φ = 96031800.

The previous prime is 145009369. The next prime is 145009379. The reversal of 145009377 is 773900541.

It is a happy number.

It is not a de Polignac number, because 145009377 - 2³ = 145009369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145009379) 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, 51993 + ... + 54710.

It is an arithmetic number, because the mean of its divisors is an integer number (17570592).

Almost surely, 2^145009377 is an apocalyptic number.

It is an amenable number.

145009377 is a deficient number, since it is larger than the sum of its proper divisors (65837727).

145009377 is a wasteful number, since it uses less digits than its factorization.

145009377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106860 (or 106857 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 145009377 is about 12041.9839312299. The cubic root of 145009377 is about 525.3701118083.

The spelling of 145009377 in words is "one hundred forty-five million, nine thousand, three hundred seventy-seven".