147438146 has 8 divisors (see below), whose sum is σ = 228783420. Its totient is φ = 71177008.

The previous prime is 147438097. The next prime is 147438163. The reversal of 147438146 is 641834741.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 141967225 + 5470921 = 11915^2 + 2339^2 .

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

It is a Curzon number.

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, 1270961 + ... + 1271076.

Almost surely, 2^147438146 is an apocalyptic number.

147438146 is a deficient number, since it is larger than the sum of its proper divisors (81345274).

147438146 is a wasteful number, since it uses less digits than its factorization.

147438146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542068.

The product of its digits is 64512, while the sum is 38.

The square root of 147438146 is about 12142.4110455873. The cubic root of 147438146 is about 528.2870364042.

The spelling of 147438146 in words is "one hundred forty-seven million, four hundred thirty-eight thousand, one hundred forty-six".