145840011 has 4 divisors (see below), whose sum is σ = 194453352. Its totient is φ = 97226672.

The previous prime is 145840003. The next prime is 145840021. The reversal of 145840011 is 110048541.

145840011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145840011 - 2³ = 145840003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145840001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24306666 + ... + 24306671.

It is an arithmetic number, because the mean of its divisors is an integer number (48613338).

Almost surely, 2^145840011 is an apocalyptic number.

145840011 is a deficient number, since it is larger than the sum of its proper divisors (48613341).

145840011 is an equidigital number, since it uses as much as digits as its factorization.

145840011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48613340.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 145840011 is about 12076.4237669933. The cubic root of 145840011 is about 526.3713336904.

Adding to 145840011 its reverse (110048541), we get a palindrome (255888552).

The spelling of 145840011 in words is "one hundred forty-five million, eight hundred forty thousand, eleven".