147478357 has 12 divisors (see below), whose sum is σ = 160055460. Its totient is φ = 135827328.

The previous prime is 147478343. The next prime is 147478367. The reversal of 147478357 is 753874741.

147478357 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 6 ways, for example, as 2540836 + 144937521 = 1594^2 + 12039^2 .

It is not a de Polignac number, because 147478357 - 2¹⁵ = 147445589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147478367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113769 + ... + 115057.

It is an arithmetic number, because the mean of its divisors is an integer number (13337955).

Almost surely, 2^147478357 is an apocalyptic number.

It is an amenable number.

147478357 is a deficient number, since it is larger than the sum of its proper divisors (12577103).

147478357 is a wasteful number, since it uses less digits than its factorization.

147478357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1979 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 147478357 is about 12144.0667405939. The cubic root of 147478357 is about 528.3350588455.

It can be divided in two parts, 14747 and 8357, that added together give a square (23104 = 152²).

The spelling of 147478357 in words is "one hundred forty-seven million, four hundred seventy-eight thousand, three hundred fifty-seven".