145023058 has 4 divisors (see below), whose sum is σ = 217534590. Its totient is φ = 72511528.

The previous prime is 145023013. The next prime is 145023071. The reversal of 145023058 is 850320541.

145023058 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121374289 + 23648769 = 11017^2 + 4863^2 .

It is a super-3 number, since 3×145023058³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36255763 + ... + 36255766.

Almost surely, 2^145023058 is an apocalyptic number.

145023058 is a deficient number, since it is larger than the sum of its proper divisors (72511532).

145023058 is an equidigital number, since it uses as much as digits as its factorization.

145023058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72511531.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 145023058 is about 12042.5519720697. The cubic root of 145023058 is about 525.3866334122.

Adding to 145023058 its reverse (850320541), we get a palindrome (995343599).

The spelling of 145023058 in words is "one hundred forty-five million, twenty-three thousand, fifty-eight".