147329247 has 16 divisors (see below), whose sum is σ = 211897728. Its totient is φ = 90515040.

The previous prime is 147329209. The next prime is 147329291. The reversal of 147329247 is 742923741.

It is not a de Polignac number, because 147329247 - 2¹¹ = 147327199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147329747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23872 + ... + 29402.

It is an arithmetic number, because the mean of its divisors is an integer number (13243608).

Almost surely, 2^147329247 is an apocalyptic number.

147329247 is a deficient number, since it is larger than the sum of its proper divisors (64568481).

147329247 is a wasteful number, since it uses less digits than its factorization.

147329247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230.

The product of its digits is 84672, while the sum is 39.

The square root of 147329247 is about 12137.9259760471. The cubic root of 147329247 is about 528.1569386844.

The spelling of 147329247 in words is "one hundred forty-seven million, three hundred twenty-nine thousand, two hundred forty-seven".