145344211502322 has 32 divisors (see below), whose sum is σ = 332222053635072. Its totient is φ = 41526078439824.

The previous prime is 145344211502299. The next prime is 145344211502339. The reversal of 145344211502322 is 223205112443541.

It is a super-2 number, since 2×145344211502322² (a number of 29 digits) contains 22 as substring.

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, 32859118 + ... + 37019049.

It is an arithmetic number, because the mean of its divisors is an integer number (10381939176096).

Almost surely, 2^{145344211502322} is an apocalyptic number.

145344211502322 is an abundant number, since it is smaller than the sum of its proper divisors (186877842132750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145344211502322 is a wasteful number, since it uses less digits than its factorization.

145344211502322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69927702.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 145344211502322 its reverse (223205112443541), we get a palindrome (368549323945863).

The spelling of 145344211502322 in words is "one hundred forty-five trillion, three hundred forty-four billion, two hundred eleven million, five hundred two thousand, three hundred twenty-two".