145534223414 has 4 divisors (see below), whose sum is σ = 218301335124. Its totient is φ = 72767111706.

The previous prime is 145534223399. The next prime is 145534223437. The reversal of 145534223414 is 414322435541.

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

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 36383555852 + ... + 36383555855.

It is an arithmetic number, because the mean of its divisors is an integer number (54575333781).

Almost surely, 2^145534223414 is an apocalyptic number.

145534223414 is a deficient number, since it is larger than the sum of its proper divisors (72767111710).

145534223414 is an equidigital number, since it uses as much as digits as its factorization.

145534223414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72767111709.

The product of its digits is 230400, while the sum is 38.

Adding to 145534223414 its reverse (414322435541), we get a palindrome (559856658955).

The spelling of 145534223414 in words is "one hundred forty-five billion, five hundred thirty-four million, two hundred twenty-three thousand, four hundred fourteen".