145413420 has 48 divisors (see below), whose sum is σ = 409540320. Its totient is φ = 38550016.

The previous prime is 145413419. The next prime is 145413431. The reversal of 145413420 is 24314541.

It is a super-2 number, since 2×145413420² = 42290125432192800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3376 + ... + 17384.

It is an arithmetic number, because the mean of its divisors is an integer number (8532090).

Almost surely, 2^145413420 is an apocalyptic number.

145413420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145413420 is an abundant number, since it is smaller than the sum of its proper divisors (264126900).

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

145413420 is a wasteful number, since it uses less digits than its factorization.

145413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14194 (or 14192 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 145413420 is about 12058.7486913029. The cubic root of 145413420 is about 525.8576096335.

Adding to 145413420 its reverse (24314541), we get a palindrome (169727961).

The spelling of 145413420 in words is "one hundred forty-five million, four hundred thirteen thousand, four hundred twenty".