149424773 has 2 divisors, whose sum is σ = 149424774. Its totient is φ = 149424772.

The previous prime is 149424739. The next prime is 149424809. The reversal of 149424773 is 377424941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118766404 + 30658369 = 10898^2 + 5537^2 .

It is an emirp because it is prime and its reverse (377424941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149424773 - 2¹⁶ = 149359237 is a prime.

It is a super-3 number, since 3×149424773³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 149424773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149424073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74712386 + 74712387.

It is an arithmetic number, because the mean of its divisors is an integer number (74712387).

Almost surely, 2^149424773 is an apocalyptic number.

It is an amenable number.

149424773 is a deficient number, since it is larger than the sum of its proper divisors (1).

149424773 is an equidigital number, since it uses as much as digits as its factorization.

149424773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 149424773 is about 12223.9426127580. The cubic root of 149424773 is about 530.6492257633.

The spelling of 149424773 in words is "one hundred forty-nine million, four hundred twenty-four thousand, seven hundred seventy-three".