145830473 has 8 divisors (see below), whose sum is σ = 151003200. Its totient is φ = 140667408.

The previous prime is 145830469. The next prime is 145830493. The reversal of 145830473 is 374038541.

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 145830473 - 2² = 145830469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145830413) 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, 43118 + ... + 46376.

It is an arithmetic number, because the mean of its divisors is an integer number (18875400).

Almost surely, 2^145830473 is an apocalyptic number.

It is an amenable number.

145830473 is a deficient number, since it is larger than the sum of its proper divisors (5172727).

145830473 is a wasteful number, since it uses less digits than its factorization.

145830473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 145830473 is about 12076.0288588592. The cubic root of 145830473 is about 526.3598584691.

The spelling of 145830473 in words is "one hundred forty-five million, eight hundred thirty thousand, four hundred seventy-three".