147252969 has 36 divisors (see below), whose sum is σ = 224900676. Its totient is φ = 92828736.

The previous prime is 147252961. The next prime is 147252977. The reversal of 147252969 is 969252741.

It is an interprime number because it is at equal distance from previous prime (147252961) and next prime (147252977).

It can be written as a sum of positive squares in 2 ways, for example, as 104284944 + 42968025 = 10212^2 + 6555^2 .

It is not a de Polignac number, because 147252969 - 2³ = 147252961 is a prime.

It is a super-2 number, since 2×147252969² = 43366873758629922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (147252961) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 747379 + ... + 747575.

It is an arithmetic number, because the mean of its divisors is an integer number (6247241).

Almost surely, 2^147252969 is an apocalyptic number.

It is an amenable number.

147252969 is a deficient number, since it is larger than the sum of its proper divisors (77647707).

147252969 is a wasteful number, since it uses less digits than its factorization.

147252969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 380 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 147252969 is about 12134.7834344087. The cubic root of 147252969 is about 528.0657739170.

It can be divided in two parts, 147 and 252969, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 147252969 in words is "one hundred forty-seven million, two hundred fifty-two thousand, nine hundred sixty-nine".