148002146 has 8 divisors (see below), whose sum is σ = 228003420. Its totient is φ = 72001008.

The previous prime is 148002139. The next prime is 148002203. The reversal of 148002146 is 641200841.

It can be written as a sum of positive squares in 2 ways, for example, as 147889921 + 112225 = 12161^2 + 335^2 .

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

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, 999941 + ... + 1000088.

Almost surely, 2^148002146 is an apocalyptic number.

148002146 is a deficient number, since it is larger than the sum of its proper divisors (80001274).

148002146 is a wasteful number, since it uses less digits than its factorization.

148002146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000068.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 148002146 is about 12165.6132603334. The cubic root of 148002146 is about 528.9598038838.

Adding to 148002146 its reverse (641200841), we get a palindrome (789202987).

The spelling of 148002146 in words is "one hundred forty-eight million, two thousand, one hundred forty-six".