145456013122555 has 8 divisors (see below), whose sum is σ = 174555369620352. Its totient is φ = 116359374582528.

The previous prime is 145456013122543. The next prime is 145456013122579. The reversal of 145456013122555 is 555221310654541.

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

It is a cyclic number.

It is not a de Polignac number, because 145456013122555 - 2⁵ = 145456013122523 is a prime.

It is a super-2 number, since 2×145456013122555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145456013122499 and 145456013122508.

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, 679371702 + ... + 679585771.

It is an arithmetic number, because the mean of its divisors is an integer number (21819421202544).

Almost surely, 2^{145456013122555} is an apocalyptic number.

145456013122555 is a deficient number, since it is larger than the sum of its proper divisors (29099356497797).

145456013122555 is a wasteful number, since it uses less digits than its factorization.

145456013122555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358978885.

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 145456013122555 in words is "one hundred forty-five trillion, four hundred fifty-six billion, thirteen million, one hundred twenty-two thousand, five hundred fifty-five".