122445553145 has 16 divisors (see below), whose sum is σ = 150080808960. Its totient is φ = 95859564864.

The previous prime is 122445553133. The next prime is 122445553157. The reversal of 122445553145 is 541355544221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122445553133) and next prime (122445553157).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122445553145 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1997624 + ... + 2058006.

It is an arithmetic number, because the mean of its divisors is an integer number (9380050560).

Almost surely, 2^122445553145 is an apocalyptic number.

It is an amenable number.

122445553145 is a deficient number, since it is larger than the sum of its proper divisors (27635255815).

122445553145 is an equidigital number, since it uses as much as digits as its factorization.

122445553145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69064.

The product of its digits is 480000, while the sum is 41.

The spelling of 122445553145 in words is "one hundred twenty-two billion, four hundred forty-five million, five hundred fifty-three thousand, one hundred forty-five".