149294777 has 2 divisors, whose sum is σ = 149294778. Its totient is φ = 149294776.

The previous prime is 149294749. The next prime is 149294801. The reversal of 149294777 is 777492941.

149294777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97397161 + 51897616 = 9869^2 + 7204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149294777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149294477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74647388 + 74647389.

It is an arithmetic number, because the mean of its divisors is an integer number (74647389).

Almost surely, 2^149294777 is an apocalyptic number.

It is an amenable number.

149294777 is a deficient number, since it is larger than the sum of its proper divisors (1).

149294777 is an equidigital number, since it uses as much as digits as its factorization.

149294777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 50.

The square root of 149294777 is about 12218.6241860530. The cubic root of 149294777 is about 530.4952970464.

It can be divided in two parts, 1492 and 94777, that added together give a palindrome (96269).

The spelling of 149294777 in words is "one hundred forty-nine million, two hundred ninety-four thousand, seven hundred seventy-seven".