145463456 has 12 divisors (see below), whose sum is σ = 286381242. Its totient is φ = 72731712.

The previous prime is 145463447. The next prime is 145463471. The reversal of 145463456 is 654364541.

It can be written as a sum of positive squares in only one way, i.e., 86787856 + 58675600 = 9316^2 + 7660^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2272835 + ... + 2272898.

Almost surely, 2^145463456 is an apocalyptic number.

145463456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145463456 is a deficient number, since it is larger than the sum of its proper divisors (140917786).

145463456 is an equidigital number, since it uses as much as digits as its factorization.

145463456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545743 (or 4545735 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 145463456 is about 12060.8231891526. The cubic root of 145463456 is about 525.9179176712.

The spelling of 145463456 in words is "one hundred forty-five million, four hundred sixty-three thousand, four hundred fifty-six".