145420225500122 has 8 divisors (see below), whose sum is σ = 218350449593472. Its totient is φ = 72636742302300.

The previous prime is 145420225500119. The next prime is 145420225500167. The reversal of 145420225500122 is 221005522024541.

It is a happy number.

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

It is a super-2 number, since 2×145420225500122² (a number of 29 digits) contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 36685221404 + ... + 36685225367.

It is an arithmetic number, because the mean of its divisors is an integer number (27293806199184).

Almost surely, 2^{145420225500122} is an apocalyptic number.

145420225500122 is a deficient number, since it is larger than the sum of its proper divisors (72930224093350).

145420225500122 is an equidigital number, since it uses as much as digits as its factorization.

145420225500122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73370447764.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 145420225500122 its reverse (221005522024541), we get a palindrome (366425747524663).

The spelling of 145420225500122 in words is "one hundred forty-five trillion, four hundred twenty billion, two hundred twenty-five million, five hundred thousand, one hundred twenty-two".