145343020 has 24 divisors (see below), whose sum is σ = 305545968. Its totient is φ = 58075200.

The previous prime is 145343017. The next prime is 145343021. The reversal of 145343020 is 20343541.

It is a super-2 number, since 2×145343020² = 42249186925440800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145342982 and 145343000.

It is not an unprimeable number, because it can be changed into a prime (145343021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18490 + ... + 25150.

It is an arithmetic number, because the mean of its divisors is an integer number (12731082).

Almost surely, 2^145343020 is an apocalyptic number.

145343020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145343020 is an abundant number, since it is smaller than the sum of its proper divisors (160202948).

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

145343020 is a wasteful number, since it uses less digits than its factorization.

145343020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761 (or 7759 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 145343020 is about 12055.8292954073. The cubic root of 145343020 is about 525.7727335801.

Adding to 145343020 its reverse (20343541), we get a palindrome (165686561).

The spelling of 145343020 in words is "one hundred forty-five million, three hundred forty-three thousand, twenty".