148890212 has 6 divisors (see below), whose sum is σ = 260557878. Its totient is φ = 74445104.

The previous prime is 148890211. The next prime is 148890221. The reversal of 148890212 is 212098841.

It can be written as a sum of positive squares in only one way, i.e., 113081956 + 35808256 = 10634^2 + 5984^2 .

It is not an unprimeable number, because it can be changed into a prime (148890211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18611273 + ... + 18611280.

It is an arithmetic number, because the mean of its divisors is an integer number (43426313).

Almost surely, 2^148890212 is an apocalyptic number.

It is an amenable number.

148890212 is a deficient number, since it is larger than the sum of its proper divisors (111667666).

148890212 is a wasteful number, since it uses less digits than its factorization.

148890212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37222557 (or 37222555 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 148890212 is about 12202.0576953234. The cubic root of 148890212 is about 530.0156777135.

The spelling of 148890212 in words is "one hundred forty-eight million, eight hundred ninety thousand, two hundred twelve".