149941503 has 8 divisors (see below), whose sum is σ = 222135600. Its totient is φ = 99960984.

The previous prime is 149941487. The next prime is 149941523. The reversal of 149941503 is 305149941.

It is a happy number.

149941503 is a `hidden beast` number, since 149 + 9 + 4 + 1 + 503 = 666.

It is not a de Polignac number, because 149941503 - 2⁴ = 149941487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149941523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776668 + ... + 2776721.

It is an arithmetic number, because the mean of its divisors is an integer number (27766950).

Almost surely, 2^149941503 is an apocalyptic number.

149941503 is a deficient number, since it is larger than the sum of its proper divisors (72194097).

149941503 is an equidigital number, since it uses as much as digits as its factorization.

149941503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553398 (or 5553392 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 149941503 is about 12245.0603510150. The cubic root of 149941503 is about 531.2602063460.

The spelling of 149941503 in words is "one hundred forty-nine million, nine hundred forty-one thousand, five hundred three".