149373503 has 2 divisors, whose sum is σ = 149373504. Its totient is φ = 149373502.

The previous prime is 149373479. The next prime is 149373517. The reversal of 149373503 is 305373941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149373503 - 2⁶ = 149373439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149373533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74686751 + 74686752.

It is an arithmetic number, because the mean of its divisors is an integer number (74686752).

Almost surely, 2^149373503 is an apocalyptic number.

149373503 is a deficient number, since it is larger than the sum of its proper divisors (1).

149373503 is an equidigital number, since it uses as much as digits as its factorization.

149373503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 149373503 is about 12221.8453189361. The cubic root of 149373503 is about 530.5885274434.

The spelling of 149373503 in words is "one hundred forty-nine million, three hundred seventy-three thousand, five hundred three".