145945459 has 8 divisors (see below), whose sum is σ = 168578928. Its totient is φ = 124872960.

The previous prime is 145945453. The next prime is 145945463. The reversal of 145945459 is 954549541.

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

It is a cyclic number.

It is not a de Polignac number, because 145945459 - 2³ = 145945451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145945451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390042 + ... + 390415.

It is an arithmetic number, because the mean of its divisors is an integer number (21072366).

Almost surely, 2^145945459 is an apocalyptic number.

145945459 is a deficient number, since it is larger than the sum of its proper divisors (22633469).

145945459 is a wasteful number, since it uses less digits than its factorization.

145945459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780485.

The product of its digits is 648000, while the sum is 46.

The square root of 145945459 is about 12080.7888401379. The cubic root of 145945459 is about 526.4981654426.

The spelling of 145945459 in words is "one hundred forty-five million, nine hundred forty-five thousand, four hundred fifty-nine".