145783512 has 48 divisors (see below), whose sum is σ = 451236240. Its totient is φ = 41652288.

The previous prime is 145783489. The next prime is 145783543. The reversal of 145783512 is 215387541.

145783512 is a `hidden beast` number, since 14 + 57 + 83 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 144123 + ... + 145130.

It is an arithmetic number, because the mean of its divisors is an integer number (9400755).

Almost surely, 2^145783512 is an apocalyptic number.

145783512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145783512 is an abundant number, since it is smaller than the sum of its proper divisors (305452728).

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

145783512 is a wasteful number, since it uses less digits than its factorization.

145783512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289272 (or 289265 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 145783512 is about 12074.0843131063. The cubic root of 145783512 is about 526.3033521286.

The spelling of 145783512 in words is "one hundred forty-five million, seven hundred eighty-three thousand, five hundred twelve".