147454669 has 2 divisors, whose sum is σ = 147454670. Its totient is φ = 147454668.

The previous prime is 147454627. The next prime is 147454691. The reversal of 147454669 is 966454741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80820100 + 66634569 = 8990^2 + 8163^2 .

It is a cyclic number.

It is not a de Polignac number, because 147454669 - 2¹¹ = 147452621 is a prime.

It is a super-2 number, since 2×147454669² = 43485758819799122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147454609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73727334 + 73727335.

It is an arithmetic number, because the mean of its divisors is an integer number (73727335).

Almost surely, 2^147454669 is an apocalyptic number.

It is an amenable number.

147454669 is a deficient number, since it is larger than the sum of its proper divisors (1).

147454669 is an equidigital number, since it uses as much as digits as its factorization.

147454669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 147454669 is about 12143.0914103452. The cubic root of 147454669 is about 528.3067702404.

The spelling of 147454669 in words is "one hundred forty-seven million, four hundred fifty-four thousand, six hundred sixty-nine".