148669069 has 2 divisors, whose sum is σ = 148669070. Its totient is φ = 148669068.

The previous prime is 148669061. The next prime is 148669093. The reversal of 148669069 is 960966841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144720900 + 3948169 = 12030^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 148669069 - 2³ = 148669061 is a prime.

It is a super-2 number, since 2×148669069² = 44204984154653522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148669061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74334534 + 74334535.

It is an arithmetic number, because the mean of its divisors is an integer number (74334535).

Almost surely, 2^148669069 is an apocalyptic number.

It is an amenable number.

148669069 is a deficient number, since it is larger than the sum of its proper divisors (1).

148669069 is an equidigital number, since it uses as much as digits as its factorization.

148669069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 148669069 is about 12192.9926187134. The cubic root of 148669069 is about 529.7531412384.

The spelling of 148669069 in words is "one hundred forty-eight million, six hundred sixty-nine thousand, sixty-nine".