145983132 has 18 divisors (see below), whose sum is σ = 369013008. Its totient is φ = 48661032.

The previous prime is 145983127. The next prime is 145983179. The reversal of 145983132 is 231389541.

145983132 is a `hidden beast` number, since 1 + 4 + 598 + 31 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×145983132³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4055087 = 145983132 / (1 + 4 + 5 + 9 + 8 + 3 + 1 + 3 + 2).

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 5 ways as a sum of consecutive naturals, for example, 2027508 + ... + 2027579.

Almost surely, 2^145983132 is an apocalyptic number.

145983132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145983132 is an abundant number, since it is smaller than the sum of its proper divisors (223029876).

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

145983132 is a wasteful number, since it uses less digits than its factorization.

145983132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055097 (or 4055092 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 145983132 is about 12082.3479506262. The cubic root of 145983132 is about 526.5434633210.

The spelling of 145983132 in words is "one hundred forty-five million, nine hundred eighty-three thousand, one hundred thirty-two".