145020038 has 8 divisors (see below), whose sum is σ = 217769520. Its totient is φ = 72430200.

The previous prime is 145020017. The next prime is 145020049. The reversal of 145020038 is 830020541.

145020038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×145020038² = 42061622843042888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145019995 and 145020022.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37613 + ... + 41288.

It is an arithmetic number, because the mean of its divisors is an integer number (27221190).

Almost surely, 2^145020038 is an apocalyptic number.

145020038 is a deficient number, since it is larger than the sum of its proper divisors (72749482).

145020038 is an equidigital number, since it uses as much as digits as its factorization.

145020038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79822.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145020038 is about 12042.4265827116. The cubic root of 145020038 is about 525.3829864550.

Adding to 145020038 its reverse (830020541), we get a palindrome (975040579).

The spelling of 145020038 in words is "one hundred forty-five million, twenty thousand, thirty-eight".