145187512 has 32 divisors (see below), whose sum is σ = 292665600. Its totient is φ = 67306464.

The previous prime is 145187489. The next prime is 145187513. The reversal of 145187512 is 215781541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145187513) 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, 3018 + ... + 17305.

It is an arithmetic number, because the mean of its divisors is an integer number (9145800).

Almost surely, 2^145187512 is an apocalyptic number.

It is an amenable number.

145187512 is an abundant number, since it is smaller than the sum of its proper divisors (147478088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145187512 is a wasteful number, since it uses less digits than its factorization.

145187512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20395 (or 20391 counting only the distinct ones).

The product of its digits is 11200, while the sum is 34.

The square root of 145187512 is about 12049.3780752369. The cubic root of 145187512 is about 525.5851519459.

The spelling of 145187512 in words is "one hundred forty-five million, one hundred eighty-seven thousand, five hundred twelve".