145630122 has 16 divisors (see below), whose sum is σ = 317738592. Its totient is φ = 44130320.

The previous prime is 145630099. The next prime is 145630123. The reversal of 145630122 is 221036541.

It is a junction number, because it is equal to n+sod(n) for n = 145630092 and 145630101.

It is not an unprimeable number, because it can be changed into a prime (145630123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103193 + ... + 1103324.

It is an arithmetic number, because the mean of its divisors is an integer number (19858662).

Almost surely, 2^145630122 is an apocalyptic number.

145630122 is an abundant number, since it is smaller than the sum of its proper divisors (172108470).

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

145630122 is a wasteful number, since it uses less digits than its factorization.

145630122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206533.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 145630122 is about 12067.7306068705. The cubic root of 145630122 is about 526.1186993271.

Adding to 145630122 its reverse (221036541), we get a palindrome (366666663).

The spelling of 145630122 in words is "one hundred forty-five million, six hundred thirty thousand, one hundred twenty-two".