145133042254 has 4 divisors (see below), whose sum is σ = 217699563384. Its totient is φ = 72566521126.

The previous prime is 145133042237. The next prime is 145133042359. The reversal of 145133042254 is 452240331541.

145133042254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452240331541 = 2801 ⋅161456741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36283260562 + ... + 36283260565.

It is an arithmetic number, because the mean of its divisors is an integer number (54424890846).

Almost surely, 2^145133042254 is an apocalyptic number.

145133042254 is a deficient number, since it is larger than the sum of its proper divisors (72566521130).

145133042254 is an equidigital number, since it uses as much as digits as its factorization.

145133042254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72566521129.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 145133042254 its reverse (452240331541), we get a palindrome (597373373795).

The spelling of 145133042254 in words is "one hundred forty-five billion, one hundred thirty-three million, forty-two thousand, two hundred fifty-four".