145648276 has 12 divisors (see below), whose sum is σ = 255407040. Its totient is φ = 72674840.

The previous prime is 145648241. The next prime is 145648291. The reversal of 145648276 is 672846541.

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 in 3 ways as a sum of consecutive naturals, for example, 35116 + ... + 39043.

It is an arithmetic number, because the mean of its divisors is an integer number (21283920).

Almost surely, 2^145648276 is an apocalyptic number.

It is an amenable number.

145648276 is a deficient number, since it is larger than the sum of its proper divisors (109758764).

145648276 is a wasteful number, since it uses less digits than its factorization.

145648276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74654 (or 74652 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 145648276 is about 12068.4827546796. The cubic root of 145648276 is about 526.1405601021.

It can be divided in two parts, 145648 and 276, that added together give a square (145924 = 382²).

The spelling of 145648276 in words is "one hundred forty-five million, six hundred forty-eight thousand, two hundred seventy-six".