148878213 has 16 divisors (see below), whose sum is σ = 223537152. Its totient is φ = 87318000.

The previous prime is 148878209. The next prime is 148878227. The reversal of 148878213 is 312878841.

It is not a de Polignac number, because 148878213 - 2² = 148878209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148878253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71743 + ... + 73788.

It is an arithmetic number, because the mean of its divisors is an integer number (13971072).

Almost surely, 2^148878213 is an apocalyptic number.

It is an amenable number.

148878213 is a deficient number, since it is larger than the sum of its proper divisors (74658939).

148878213 is a wasteful number, since it uses less digits than its factorization.

148878213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145576.

The product of its digits is 86016, while the sum is 42.

The square root of 148878213 is about 12201.5660060502. The cubic root of 148878213 is about 530.0014394170.

It can be divided in two parts, 1488 and 78213, that multiplied together give a square (116380944 = 10788²).

The spelling of 148878213 in words is "one hundred forty-eight million, eight hundred seventy-eight thousand, two hundred thirteen".