147274538 has 8 divisors (see below), whose sum is σ = 220965732. Its totient is φ = 73619296.

The previous prime is 147274493. The next prime is 147274549. The reversal of 147274538 is 835472741.

147274538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 144408289 + 2866249 = 12017^2 + 1693^2 .

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

It is a super-2 number, since 2×147274538² = 43379579086226888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147274495 and 147274504.

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, 6806 + ... + 18462.

Almost surely, 2^147274538 is an apocalyptic number.

147274538 is a deficient number, since it is larger than the sum of its proper divisors (73691194).

147274538 is a wasteful number, since it uses less digits than its factorization.

147274538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17976.

The product of its digits is 188160, while the sum is 41.

The square root of 147274538 is about 12135.6721280694. The cubic root of 147274538 is about 528.0915556147.

The spelling of 147274538 in words is "one hundred forty-seven million, two hundred seventy-four thousand, five hundred thirty-eight".