145166436 has 18 divisors (see below), whose sum is σ = 366948582. Its totient is φ = 48388800.

The previous prime is 145166407. The next prime is 145166447. The reversal of 145166436 is 634661541.

It is a happy number.

145166436 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 6 + 643 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133263936 + 11902500 = 11544^2 + 3450^2 .

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: 4032401 = 145166436 / (1 + 4 + 5 + 1 + 6 + 6 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 145166436.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2016165 + ... + 2016236.

Almost surely, 2^145166436 is an apocalyptic number.

It is an amenable number.

145166436 is an abundant number, since it is smaller than the sum of its proper divisors (221782146).

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

145166436 is a wasteful number, since it uses less digits than its factorization.

145166436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032411 (or 4032406 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 145166436 is about 12048.5034755359. The cubic root of 145166436 is about 525.5597187008.

The spelling of 145166436 in words is "one hundred forty-five million, one hundred sixty-six thousand, four hundred thirty-six".