145322200 has 24 divisors (see below), whose sum is σ = 337874580. Its totient is φ = 58128800.

The previous prime is 145322173. The next prime is 145322267. The reversal of 145322200 is 2223541.

It is a super-2 number, since 2×145322200² = 42237083625680000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 363106 + ... + 363505.

Almost surely, 2^145322200 is an apocalyptic number.

145322200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145322200 is an abundant number, since it is smaller than the sum of its proper divisors (192552380).

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

145322200 is a wasteful number, since it uses less digits than its factorization.

145322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726627 (or 726618 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 145322200 is about 12054.9657817847. The cubic root of 145322200 is about 525.7476272006.

Adding to 145322200 its reverse (2223541), we get a palindrome (147545741).

It can be divided in two parts, 1453 and 22200, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 145322200 in words is "one hundred forty-five million, three hundred twenty-two thousand, two hundred".