149203069 has 2 divisors, whose sum is σ = 149203070. Its totient is φ = 149203068.

The previous prime is 149203063. The next prime is 149203081. The reversal of 149203069 is 960302941.

149203069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119902500 + 29300569 = 10950^2 + 5413^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149203069 is a prime.

It is a super-2 number, since 2×149203069² = 44523111598037522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149203063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74601534 + 74601535.

It is an arithmetic number, because the mean of its divisors is an integer number (74601535).

Almost surely, 2^149203069 is an apocalyptic number.

It is an amenable number.

149203069 is a deficient number, since it is larger than the sum of its proper divisors (1).

149203069 is an equidigital number, since it uses as much as digits as its factorization.

149203069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 149203069 is about 12214.8708138891. The cubic root of 149203069 is about 530.3866515227.

The spelling of 149203069 in words is "one hundred forty-nine million, two hundred three thousand, sixty-nine".