145522104551 has 4 divisors (see below), whose sum is σ = 147515558112. Its totient is φ = 143528650992.

The previous prime is 145522104509. The next prime is 145522104571. The reversal of 145522104551 is 155401225541.

145522104551 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.

It is not a de Polignac number, because 145522104551 - 2¹⁴ = 145522088167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145522104571) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 996726671 + ... + 996726816.

It is an arithmetic number, because the mean of its divisors is an integer number (36878889528).

Almost surely, 2^145522104551 is an apocalyptic number.

145522104551 is a deficient number, since it is larger than the sum of its proper divisors (1993453561).

145522104551 is an equidigital number, since it uses as much as digits as its factorization.

145522104551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993453560.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 145522104551 in words is "one hundred forty-five billion, five hundred twenty-two million, one hundred four thousand, five hundred fifty-one".