145024146 has 24 divisors (see below), whose sum is σ = 314918604. Its totient is φ = 48233760.

The previous prime is 145024129. The next prime is 145024147. The reversal of 145024146 is 641420541.

145024146 is a `hidden beast` number, since 14 + 502 + 4 + 146 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 128936025 + 16088121 = 11355^2 + 4011^2 .

It is not an unprimeable number, because it can be changed into a prime (145024147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441 + ... + 17036.

Almost surely, 2^145024146 is an apocalyptic number.

145024146 is an abundant number, since it is smaller than the sum of its proper divisors (169894458).

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

145024146 is a wasteful number, since it uses less digits than its factorization.

145024146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17946 (or 17943 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 145024146 is about 12042.5971451344. The cubic root of 145024146 is about 525.3879472705.

Adding to 145024146 its reverse (641420541), we get a palindrome (786444687).

The spelling of 145024146 in words is "one hundred forty-five million, twenty-four thousand, one hundred forty-six".