145321463 has 8 divisors (see below), whose sum is σ = 168083328. Its totient is φ = 123060024.

The previous prime is 145321447. The next prime is 145321471. The reversal of 145321463 is 364123541.

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 145321463 - 2⁴ = 145321447 is a prime.

It is a super-2 number, since 2×145321463² = 42236655216920738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124481 + ... + 125642.

It is an arithmetic number, because the mean of its divisors is an integer number (21010416).

Almost surely, 2^145321463 is an apocalyptic number.

145321463 is a deficient number, since it is larger than the sum of its proper divisors (22761865).

145321463 is an equidigital number, since it uses as much as digits as its factorization.

145321463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250213.

The product of its digits is 8640, while the sum is 29.

The square root of 145321463 is about 12054.9352134302. The cubic root of 145321463 is about 525.7467384246.

The spelling of 145321463 in words is "one hundred forty-five million, three hundred twenty-one thousand, four hundred sixty-three".