145030459 has 4 divisors (see below), whose sum is σ = 165749104. Its totient is φ = 124311816.

The previous prime is 145030447. The next prime is 145030469. The reversal of 145030459 is 954030541.

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

It is a cyclic number.

It is not a de Polignac number, because 145030459 - 2⁷ = 145030331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145030459.

It is not an unprimeable number, because it can be changed into a prime (145030409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10359312 + ... + 10359325.

It is an arithmetic number, because the mean of its divisors is an integer number (41437276).

Almost surely, 2^145030459 is an apocalyptic number.

145030459 is a deficient number, since it is larger than the sum of its proper divisors (20718645).

145030459 is an equidigital number, since it uses as much as digits as its factorization.

145030459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20718644.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 145030459 is about 12042.8592535162. The cubic root of 145030459 is about 525.3955706584.

The spelling of 145030459 in words is "one hundred forty-five million, thirty thousand, four hundred fifty-nine".