145446512 has 10 divisors (see below), whose sum is σ = 281802648. Its totient is φ = 72723248.

The previous prime is 145446487. The next prime is 145446541. The reversal of 145446512 is 215644541.

It is a super-2 number, since 2×145446512² = 42309375705932288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545188 + ... + 4545219.

Almost surely, 2^145446512 is an apocalyptic number.

It is an amenable number.

145446512 is a deficient number, since it is larger than the sum of its proper divisors (136356136).

145446512 is an equidigital number, since it uses as much as digits as its factorization.

145446512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9090415 (or 9090409 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 145446512 is about 12060.1207290806. The cubic root of 145446512 is about 525.8974967364.

The spelling of 145446512 in words is "one hundred forty-five million, four hundred forty-six thousand, five hundred twelve".