145554122555 has 8 divisors (see below), whose sum is σ = 174697081344. Its totient is φ = 116421875200.

The previous prime is 145554122543. The next prime is 145554122603. The reversal of 145554122555 is 555221455541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145554122555 - 2¹⁸ = 145553860411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647931 + ... + 2702340.

It is an arithmetic number, because the mean of its divisors is an integer number (21837135168).

Almost surely, 2^145554122555 is an apocalyptic number.

145554122555 is a deficient number, since it is larger than the sum of its proper divisors (29142958789).

145554122555 is an equidigital number, since it uses as much as digits as its factorization.

145554122555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355717.

The product of its digits is 1000000, while the sum is 44.

The spelling of 145554122555 in words is "one hundred forty-five billion, five hundred fifty-four million, one hundred twenty-two thousand, five hundred fifty-five".