147209469 has 16 divisors (see below), whose sum is σ = 216837120. Its totient is φ = 88086960.

The previous prime is 147209449. The next prime is 147209509. The reversal of 147209469 is 964902741.

It is not a de Polignac number, because 147209469 - 2¹³ = 147201277 is a prime.

It is a super-2 number, since 2×147209469² = 43341255526523922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147209469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147209429) 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, 25627 + ... + 30840.

It is an arithmetic number, because the mean of its divisors is an integer number (13552320).

Almost surely, 2^147209469 is an apocalyptic number.

It is an amenable number.

147209469 is a deficient number, since it is larger than the sum of its proper divisors (69627651).

147209469 is a wasteful number, since it uses less digits than its factorization.

147209469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56560.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 147209469 is about 12132.9909338135. The cubic root of 147209469 is about 528.0137701586.

The spelling of 147209469 in words is "one hundred forty-seven million, two hundred nine thousand, four hundred sixty-nine".