145053111 has 16 divisors (see below), whose sum is σ = 230644224. Its totient is φ = 79283424.

The previous prime is 145053109. The next prime is 145053119. The reversal of 145053111 is 111350541.

It is a happy number.

It is not a de Polignac number, because 145053111 - 2¹ = 145053109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145053119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149676 + ... + 150641.

It is an arithmetic number, because the mean of its divisors is an integer number (14415264).

Almost surely, 2^145053111 is an apocalyptic number.

145053111 is a deficient number, since it is larger than the sum of its proper divisors (85591113).

145053111 is a wasteful number, since it uses less digits than its factorization.

145053111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300350.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 145053111 is about 12043.7996911274. The cubic root of 145053111 is about 525.4229227080.

The spelling of 145053111 in words is "one hundred forty-five million, fifty-three thousand, one hundred eleven".