145463684 has 24 divisors (see below), whose sum is σ = 271289088. Its totient is φ = 68087360.

The previous prime is 145463671. The next prime is 145463693. The reversal of 145463684 is 486364541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12497 + ... + 21144.

It is an arithmetic number, because the mean of its divisors is an integer number (11303712).

Almost surely, 2^145463684 is an apocalyptic number.

It is an amenable number.

145463684 is a deficient number, since it is larger than the sum of its proper divisors (125825404).

145463684 is a wasteful number, since it uses less digits than its factorization.

145463684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33715 (or 33713 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The square root of 145463684 is about 12060.8326412400. The cubic root of 145463684 is about 525.9181924463.

The spelling of 145463684 in words is "one hundred forty-five million, four hundred sixty-three thousand, six hundred eighty-four".