145332111 has 4 divisors (see below), whose sum is σ = 193776152. Its totient is φ = 96888072.

The previous prime is 145332107. The next prime is 145332127. The reversal of 145332111 is 111233541.

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

It is not a de Polignac number, because 145332111 - 2² = 145332107 is a prime.

It is a super-2 number, since 2×145332111² = 42242844975432642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145332211) 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, 24222016 + ... + 24222021.

It is an arithmetic number, because the mean of its divisors is an integer number (48444038).

Almost surely, 2^145332111 is an apocalyptic number.

145332111 is a deficient number, since it is larger than the sum of its proper divisors (48444041).

145332111 is an equidigital number, since it uses as much as digits as its factorization.

145332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48444040.

The product of its digits is 360, while the sum is 21.

The square root of 145332111 is about 12055.3768501860. The cubic root of 145332111 is about 525.7595789563.

Adding to 145332111 its reverse (111233541), we get a palindrome (256565652).

The spelling of 145332111 in words is "one hundred forty-five million, three hundred thirty-two thousand, one hundred eleven".