145002111 has 4 divisors (see below), whose sum is σ = 193336152. Its totient is φ = 96668072.

The previous prime is 145002103. The next prime is 145002119. The reversal of 145002111 is 111200541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111200541 = 3 ⋅37066847.

It is an interprime number because it is at equal distance from previous prime (145002103) and next prime (145002119).

It is a cyclic number.

It is not a de Polignac number, because 145002111 - 2³ = 145002103 is a prime.

It is a super-2 number, since 2×145002111² = 42051224388912642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145002119) 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, 24167016 + ... + 24167021.

It is an arithmetic number, because the mean of its divisors is an integer number (48334038).

Almost surely, 2^145002111 is an apocalyptic number.

145002111 is a deficient number, since it is larger than the sum of its proper divisors (48334041).

145002111 is an equidigital number, since it uses as much as digits as its factorization.

145002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48334040.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 145002111 is about 12041.6822329773. The cubic root of 145002111 is about 525.3613367367.

Adding to 145002111 its reverse (111200541), we get a palindrome (256202652).

The spelling of 145002111 in words is "one hundred forty-five million, two thousand, one hundred eleven".