148466818 has 4 divisors (see below), whose sum is σ = 222700230. Its totient is φ = 74233408.

The previous prime is 148466809. The next prime is 148466819. The reversal of 148466818 is 818664841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 818664841 = 16529 ⋅49529.

It can be written as a sum of positive squares in only one way, i.e., 148279329 + 187489 = 12177^2 + 433^2 .

It is not an unprimeable number, because it can be changed into a prime (148466819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37116703 + ... + 37116706.

Almost surely, 2^148466818 is an apocalyptic number.

148466818 is a deficient number, since it is larger than the sum of its proper divisors (74233412).

148466818 is an equidigital number, since it uses as much as digits as its factorization.

148466818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74233411.

The product of its digits is 294912, while the sum is 46.

The square root of 148466818 is about 12184.6960569396. The cubic root of 148466818 is about 529.5128049303.

The spelling of 148466818 in words is "one hundred forty-eight million, four hundred sixty-six thousand, eight hundred eighteen".