145424120 has 32 divisors (see below), whose sum is σ = 346453200. Its totient is φ = 54747648.

The previous prime is 145424113. The next prime is 145424159. The reversal of 145424120 is 21424541.

It is a super-2 number, since 2×145424120² = 42296349355548800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106250 + ... + 107609.

Almost surely, 2^145424120 is an apocalyptic number.

145424120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145424120 is an abundant number, since it is smaller than the sum of its proper divisors (201029080).

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

145424120 is a wasteful number, since it uses less digits than its factorization.

145424120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213887 (or 213883 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145424120 is about 12059.1923444317. The cubic root of 145424120 is about 525.8705074308.

Adding to 145424120 its reverse (21424541), we get a palindrome (166848661).

The spelling of 145424120 in words is "one hundred forty-five million, four hundred twenty-four thousand, one hundred twenty".