145112513 has 8 divisors (see below), whose sum is σ = 178600128. Its totient is φ = 114814224.

The previous prime is 145112503. The next prime is 145112521. The reversal of 145112513 is 315211541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145112513 - 2⁶ = 145112449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145112503) 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 7 ways as a sum of consecutive naturals, for example, 797231 + ... + 797412.

It is an arithmetic number, because the mean of its divisors is an integer number (22325016).

Almost surely, 2^145112513 is an apocalyptic number.

145112513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145112513 is a deficient number, since it is larger than the sum of its proper divisors (33487615).

145112513 is a wasteful number, since it uses less digits than its factorization.

145112513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594663.

The product of its digits is 600, while the sum is 23.

The square root of 145112513 is about 12046.2655208990. The cubic root of 145112513 is about 525.4946364701.

The spelling of 145112513 in words is "one hundred forty-five million, one hundred twelve thousand, five hundred thirteen".