149846761 has 2 divisors, whose sum is σ = 149846762. Its totient is φ = 149846760.

The previous prime is 149846747. The next prime is 149846779. The reversal of 149846761 is 167648941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76230361 + 73616400 = 8731^2 + 8580^2 .

It is a cyclic number.

It is not a de Polignac number, because 149846761 - 2¹¹ = 149844713 is a prime.

It is a super-2 number, since 2×149846761² = 44908103564382242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (149846791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74923380 + 74923381.

It is an arithmetic number, because the mean of its divisors is an integer number (74923381).

Almost surely, 2^149846761 is an apocalyptic number.

It is an amenable number.

149846761 is a deficient number, since it is larger than the sum of its proper divisors (1).

149846761 is an equidigital number, since it uses as much as digits as its factorization.

149846761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 46.

The square root of 149846761 is about 12241.1911593603. The cubic root of 149846761 is about 531.1482887910.

The spelling of 149846761 in words is "one hundred forty-nine million, eight hundred forty-six thousand, seven hundred sixty-one".