145478812 has 12 divisors (see below), whose sum is σ = 256924360. Its totient is φ = 72071856.

The previous prime is 145478807. The next prime is 145478813. The reversal of 145478812 is 218874541.

145478812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145478813) 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, 166398 + ... + 167269.

Almost surely, 2^145478812 is an apocalyptic number.

It is an amenable number.

145478812 is a deficient number, since it is larger than the sum of its proper divisors (111445548).

145478812 is a wasteful number, since it uses less digits than its factorization.

145478812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333780 (or 333778 counting only the distinct ones).

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

The square root of 145478812 is about 12061.4597789820. The cubic root of 145478812 is about 525.9364233761.

The spelling of 145478812 in words is "one hundred forty-five million, four hundred seventy-eight thousand, eight hundred twelve".