149557703 has 2 divisors, whose sum is σ = 149557704. Its totient is φ = 149557702.

The previous prime is 149557697. The next prime is 149557717. The reversal of 149557703 is 307755941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149557703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149557763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74778851 + 74778852.

It is an arithmetic number, because the mean of its divisors is an integer number (74778852).

Almost surely, 2^149557703 is an apocalyptic number.

149557703 is a deficient number, since it is larger than the sum of its proper divisors (1).

149557703 is an equidigital number, since it uses as much as digits as its factorization.

149557703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 149557703 is about 12229.3786841360. The cubic root of 149557703 is about 530.8065363462.

The spelling of 149557703 in words is "one hundred forty-nine million, five hundred fifty-seven thousand, seven hundred three".