145523512 has 16 divisors (see below), whose sum is σ = 273992400. Its totient is φ = 72458880.

The previous prime is 145523509. The next prime is 145523513. The reversal of 145523512 is 215325541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145523513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35812 + ... + 39667.

It is an arithmetic number, because the mean of its divisors is an integer number (17124525).

Almost surely, 2^145523512 is an apocalyptic number.

It is an amenable number.

145523512 is a deficient number, since it is larger than the sum of its proper divisors (128468888).

145523512 is a wasteful number, since it uses less digits than its factorization.

145523512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75726 (or 75722 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 145523512 is about 12063.3126462013. The cubic root of 145523512 is about 525.9902844856.

The spelling of 145523512 in words is "one hundred forty-five million, five hundred twenty-three thousand, five hundred twelve".