145763272 has 16 divisors (see below), whose sum is σ = 276600240. Its totient is φ = 72003216.

The previous prime is 145763263. The next prime is 145763291. The reversal of 145763272 is 272367541.

It is a happy number.

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 in 3 ways as a sum of consecutive naturals, for example, 109098 + ... + 110425.

It is an arithmetic number, because the mean of its divisors is an integer number (17287515).

Almost surely, 2^145763272 is an apocalyptic number.

It is an amenable number.

145763272 is a deficient number, since it is larger than the sum of its proper divisors (130836968).

145763272 is a wasteful number, since it uses less digits than its factorization.

145763272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219612 (or 219608 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 145763272 is about 12073.2461252142. The cubic root of 145763272 is about 526.2789943835.

The spelling of 145763272 in words is "one hundred forty-five million, seven hundred sixty-three thousand, two hundred seventy-two".