145148216 has 16 divisors (see below), whose sum is σ = 283986000. Its totient is φ = 69418624.

The previous prime is 145148209. The next prime is 145148233. The reversal of 145148216 is 612841541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394241 + ... + 394608.

It is an arithmetic number, because the mean of its divisors is an integer number (17749125).

Almost surely, 2^145148216 is an apocalyptic number.

It is an amenable number.

145148216 is a deficient number, since it is larger than the sum of its proper divisors (138837784).

145148216 is a wasteful number, since it uses less digits than its factorization.

145148216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788878 (or 788874 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 145148216 is about 12047.7473413082. The cubic root of 145148216 is about 525.5377299202.

Adding to 145148216 its reverse (612841541), we get a palindrome (757989757).

The spelling of 145148216 in words is "one hundred forty-five million, one hundred forty-eight thousand, two hundred sixteen".