145120414222545 has 16 divisors (see below), whose sum is σ = 232354695353472. Its totient is φ = 77343543386240.

The previous prime is 145120414222543. The next prime is 145120414222549. The reversal of 145120414222545 is 545222414021541.

It is not a de Polignac number, because 145120414222545 - 2¹ = 145120414222543 is a prime.

It is a super-2 number, since 2×145120414222545² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145120414222497 and 145120414222506.

It is not an unprimeable number, because it can be changed into a prime (145120414222543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375656901 + ... + 3375699890.

It is an arithmetic number, because the mean of its divisors is an integer number (14522168459592).

Almost surely, 2^{145120414222545} is an apocalyptic number.

145120414222545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145120414222545 is a deficient number, since it is larger than the sum of its proper divisors (87234281130927).

145120414222545 is a wasteful number, since it uses less digits than its factorization.

145120414222545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751358232.

The product of its (nonzero) digits is 512000, while the sum is 42.

The spelling of 145120414222545 in words is "one hundred forty-five trillion, one hundred twenty billion, four hundred fourteen million, two hundred twenty-two thousand, five hundred forty-five".