148219445 has 8 divisors (see below), whose sum is σ = 194032800. Its totient is φ = 107795920.

The previous prime is 148219441. The next prime is 148219459. The reversal of 148219445 is 544912841.

148219445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148219445 - 2² = 148219441 is a prime.

It is a super-2 number, since 2×148219445² = 43938007752216050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148219399 and 148219408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148219441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347395 + ... + 1347504.

It is an arithmetic number, because the mean of its divisors is an integer number (24254100).

Almost surely, 2^148219445 is an apocalyptic number.

It is an amenable number.

148219445 is a deficient number, since it is larger than the sum of its proper divisors (45813355).

148219445 is a wasteful number, since it uses less digits than its factorization.

148219445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694915.

The product of its digits is 46080, while the sum is 38.

The square root of 148219445 is about 12174.5408537653. The cubic root of 148219445 is about 529.2185528996.

The spelling of 148219445 in words is "one hundred forty-eight million, two hundred nineteen thousand, four hundred forty-five".