145466532 has 18 divisors (see below), whose sum is σ = 367707158. Its totient is φ = 48488832.

The previous prime is 145466491. The next prime is 145466537. The reversal of 145466532 is 235664541.

145466532 is a `hidden beast` number, since 14 + 54 + 66 + 532 = 666.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 4901796 = 11856^2 + 2214^2 .

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

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: 4040737 = 145466532 / (1 + 4 + 5 + 4 + 6 + 6 + 5 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (145466537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2020333 + ... + 2020404.

Almost surely, 2^145466532 is an apocalyptic number.

145466532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145466532 is an abundant number, since it is smaller than the sum of its proper divisors (222240626).

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

145466532 is a wasteful number, since it uses less digits than its factorization.

145466532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040747 (or 4040742 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 145466532 is about 12060.9507087957. The cubic root of 145466532 is about 525.9216247010.

The spelling of 145466532 in words is "one hundred forty-five million, four hundred sixty-six thousand, five hundred thirty-two".