145541511 has 6 divisors (see below), whose sum is σ = 210226640. Its totient is φ = 97027668.

The previous prime is 145541503. The next prime is 145541521. The reversal of 145541511 is 115145541.

145541511 is a `hidden beast` number, since 145 + 5 + 4 + 1 + 511 = 666.

It is not a de Polignac number, because 145541511 - 2³ = 145541503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145541521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8085631 + ... + 8085648.

Almost surely, 2^145541511 is an apocalyptic number.

145541511 is a deficient number, since it is larger than the sum of its proper divisors (64685129).

145541511 is a wasteful number, since it uses less digits than its factorization.

145541511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16171285 (or 16171282 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 145541511 is about 12064.0586454145. The cubic root of 145541511 is about 526.0119692034.

The spelling of 145541511 in words is "one hundred forty-five million, five hundred forty-one thousand, five hundred eleven".