145553414221202 has 16 divisors (see below), whose sum is σ = 235456374776280. Its totient is φ = 67083747806592.

The previous prime is 145553414221177. The next prime is 145553414221211. The reversal of 145553414221202 is 202122414355541.

It can be written as a sum of positive squares in 4 ways, for example, as 60403502136961 + 85149912084241 = 7771969^2 + 9227671^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145553414221202.

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, 3947942243 + ... + 3947979110.

Almost surely, 2^{145553414221202} is an apocalyptic number.

145553414221202 is a deficient number, since it is larger than the sum of its proper divisors (89902960555078).

145553414221202 is a wasteful number, since it uses less digits than its factorization.

145553414221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895922077.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 145553414221202 its reverse (202122414355541), we get a palindrome (347675828576743).

The spelling of 145553414221202 in words is "one hundred forty-five trillion, five hundred fifty-three billion, four hundred fourteen million, two hundred twenty-one thousand, two hundred two".