147938554 has 8 divisors (see below), whose sum is σ = 222278868. Its totient is φ = 73845600.

The previous prime is 147938519. The next prime is 147938561. The reversal of 147938554 is 455839741.

It can be written as a sum of positive squares in 2 ways, for example, as 144600625 + 3337929 = 12025^2 + 1827^2 .

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

It is a super-2 number, since 2×147938554² = 43771631519221832, which contains 22 as substring.

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, 60337 + ... + 62740.

Almost surely, 2^147938554 is an apocalyptic number.

147938554 is a deficient number, since it is larger than the sum of its proper divisors (74340314).

147938554 is a wasteful number, since it uses less digits than its factorization.

147938554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123680.

The product of its digits is 604800, while the sum is 46.

The square root of 147938554 is about 12162.9993833758. Note that the first 3 decimals coincide. The cubic root of 147938554 is about 528.8840337421.

The spelling of 147938554 in words is "one hundred forty-seven million, nine hundred thirty-eight thousand, five hundred fifty-four".