145024214 has 4 divisors (see below), whose sum is σ = 217536324. Its totient is φ = 72512106.

The previous prime is 145024213. The next prime is 145024237. The reversal of 145024214 is 412420541.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145024214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145024211) by changing a digit.

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 as a sum of consecutive naturals, namely, 36256052 + ... + 36256055.

It is an arithmetic number, because the mean of its divisors is an integer number (54384081).

Almost surely, 2^145024214 is an apocalyptic number.

145024214 is a deficient number, since it is larger than the sum of its proper divisors (72512110).

145024214 is an equidigital number, since it uses as much as digits as its factorization.

145024214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72512109.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145024214 is about 12042.5999684454. The cubic root of 145024214 is about 525.3880293864.

Adding to 145024214 its reverse (412420541), we get a palindrome (557444755).

The spelling of 145024214 in words is "one hundred forty-five million, twenty-four thousand, two hundred fourteen".