145052322 has 16 divisors (see below), whose sum is σ = 290526912. Its totient is φ = 48280400.

The previous prime is 145052309. The next prime is 145052339. The reversal of 145052322 is 223250541.

It is a super-2 number, since 2×145052322² = 42080352235183368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145052292 and 145052301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13038 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (18157932).

Almost surely, 2^145052322 is an apocalyptic number.

145052322 is an abundant number, since it is smaller than the sum of its proper divisors (145474590).

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

145052322 is a wasteful number, since it uses less digits than its factorization.

145052322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35193.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 145052322 is about 12043.7669356394. The cubic root of 145052322 is about 525.4219700467.

The spelling of 145052322 in words is "one hundred forty-five million, fifty-two thousand, three hundred twenty-two".