145322130 has 32 divisors (see below), whose sum is σ = 354495168. Its totient is φ = 38116800.

The previous prime is 145322113. The next prime is 145322147. The reversal of 145322130 is 31223541.

It is an interprime number because it is at equal distance from previous prime (145322113) and next prime (145322147).

It is a super-2 number, since 2×145322130² = 42237042935473800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145322097 and 145322106.

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 15 ways as a sum of consecutive naturals, for example, 37876 + ... + 41535.

It is an arithmetic number, because the mean of its divisors is an integer number (11077974).

Almost surely, 2^145322130 is an apocalyptic number.

145322130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145322130 is an abundant number, since it is smaller than the sum of its proper divisors (209173038).

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

145322130 is a wasteful number, since it uses less digits than its factorization.

145322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79482.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 145322130 is about 12054.9628784165. The cubic root of 145322130 is about 525.7475427851.

Adding to 145322130 its reverse (31223541), we get a palindrome (176545671).

The spelling of 145322130 in words is "one hundred forty-five million, three hundred twenty-two thousand, one hundred thirty".