149553763 has 2 divisors, whose sum is σ = 149553764. Its totient is φ = 149553762.

The previous prime is 149553749. The next prime is 149553787. The reversal of 149553763 is 367355941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149553763 is a prime.

It is not a weakly prime, because it can be changed into another prime (149553163) 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, 74776881 + 74776882.

It is an arithmetic number, because the mean of its divisors is an integer number (74776882).

Almost surely, 2^149553763 is an apocalyptic number.

149553763 is a deficient number, since it is larger than the sum of its proper divisors (1).

149553763 is an equidigital number, since it uses as much as digits as its factorization.

149553763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 340200, while the sum is 43.

The square root of 149553763 is about 12229.2175955782. The cubic root of 149553763 is about 530.8018750548.

The spelling of 149553763 in words is "one hundred forty-nine million, five hundred fifty-three thousand, seven hundred sixty-three".