149217763 has 2 divisors, whose sum is σ = 149217764. Its totient is φ = 149217762.

The previous prime is 149217727. The next prime is 149217791. The reversal of 149217763 is 367712941.

149217763 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149217763 is a prime.

It is not a weakly prime, because it can be changed into another prime (149218763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74608881 + 74608882.

It is an arithmetic number, because the mean of its divisors is an integer number (74608882).

Almost surely, 2^149217763 is an apocalyptic number.

149217763 is a deficient number, since it is larger than the sum of its proper divisors (1).

149217763 is an equidigital number, since it uses as much as digits as its factorization.

149217763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 149217763 is about 12215.4722790402. The cubic root of 149217763 is about 530.4040623478.

The spelling of 149217763 in words is "one hundred forty-nine million, two hundred seventeen thousand, seven hundred sixty-three".