149364773 has 2 divisors, whose sum is σ = 149364774. Its totient is φ = 149364772.

The previous prime is 149364751. The next prime is 149364779. The reversal of 149364773 is 377463941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134977924 + 14386849 = 11618^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 149364773 - 2¹² = 149360677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149364779) 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, 74682386 + 74682387.

It is an arithmetic number, because the mean of its divisors is an integer number (74682387).

Almost surely, 2^149364773 is an apocalyptic number.

It is an amenable number.

149364773 is a deficient number, since it is larger than the sum of its proper divisors (1).

149364773 is an equidigital number, since it uses as much as digits as its factorization.

149364773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 149364773 is about 12221.4881663405. The cubic root of 149364773 is about 530.5781906523.

It can be divided in two parts, 1493 and 64773, that added together give a palindrome (66266).

The spelling of 149364773 in words is "one hundred forty-nine million, three hundred sixty-four thousand, seven hundred seventy-three".