145847812 has 24 divisors (see below), whose sum is σ = 278853120. Its totient is φ = 66195360.

The previous prime is 145847803. The next prime is 145847813. The reversal of 145847812 is 218748541.

It is not an unprimeable number, because it can be changed into a prime (145847813) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32989 + ... + 37147.

It is an arithmetic number, because the mean of its divisors is an integer number (11618880).

Almost surely, 2^145847812 is an apocalyptic number.

It is an amenable number.

145847812 is a deficient number, since it is larger than the sum of its proper divisors (133005308).

145847812 is a wasteful number, since it uses less digits than its factorization.

145847812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971 (or 4969 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 145847812 is about 12076.7467473654. The cubic root of 145847812 is about 526.3807187454.

The spelling of 145847812 in words is "one hundred forty-five million, eight hundred forty-seven thousand, eight hundred twelve".