145456312 has 16 divisors (see below), whose sum is σ = 275145840. Its totient is φ = 72084096.

The previous prime is 145456303. The next prime is 145456319. The reversal of 145456312 is 213654541.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145456319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79548 + ... + 81355.

It is an arithmetic number, because the mean of its divisors is an integer number (17196615).

Almost surely, 2^145456312 is an apocalyptic number.

It is an amenable number.

145456312 is a deficient number, since it is larger than the sum of its proper divisors (129689528).

145456312 is a wasteful number, since it uses less digits than its factorization.

145456312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161022 (or 161018 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 145456312 is about 12060.5270199938. The cubic root of 145456312 is about 525.9093079048.

The spelling of 145456312 in words is "one hundred forty-five million, four hundred fifty-six thousand, three hundred twelve".