149434757 has 2 divisors, whose sum is σ = 149434758. Its totient is φ = 149434756.

The previous prime is 149434729. The next prime is 149434793. The reversal of 149434757 is 757434941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139027681 + 10407076 = 11791^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 149434757 - 2⁸ = 149434501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149434717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74717378 + 74717379.

It is an arithmetic number, because the mean of its divisors is an integer number (74717379).

Almost surely, 2^149434757 is an apocalyptic number.

It is an amenable number.

149434757 is a deficient number, since it is larger than the sum of its proper divisors (1).

149434757 is an equidigital number, since it uses as much as digits as its factorization.

149434757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 149434757 is about 12224.3509848171. The cubic root of 149434757 is about 530.6610441603.

The spelling of 149434757 in words is "one hundred forty-nine million, four hundred thirty-four thousand, seven hundred fifty-seven".