149415053 has 2 divisors, whose sum is σ = 149415054. Its totient is φ = 149415052.

The previous prime is 149415043. The next prime is 149415073. The reversal of 149415053 is 350514941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 18472804 = 11443^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 149415053 - 2¹² = 149410957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149415043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74707526 + 74707527.

It is an arithmetic number, because the mean of its divisors is an integer number (74707527).

Almost surely, 2^149415053 is an apocalyptic number.

It is an amenable number.

149415053 is a deficient number, since it is larger than the sum of its proper divisors (1).

149415053 is an equidigital number, since it uses as much as digits as its factorization.

149415053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 149415053 is about 12223.5450258916. The cubic root of 149415053 is about 530.6377193662.

Adding to 149415053 its reverse (350514941), we get a palindrome (499929994).

The spelling of 149415053 in words is "one hundred forty-nine million, four hundred fifteen thousand, fifty-three".