149499503 has 2 divisors, whose sum is σ = 149499504. Its totient is φ = 149499502.

The previous prime is 149499487. The next prime is 149499523. The reversal of 149499503 is 305994941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149499503 - 2⁴ = 149499487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149499523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74749751 + 74749752.

It is an arithmetic number, because the mean of its divisors is an integer number (74749752).

Almost surely, 2^149499503 is an apocalyptic number.

149499503 is a deficient number, since it is larger than the sum of its proper divisors (1).

149499503 is an equidigital number, since it uses as much as digits as its factorization.

149499503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 149499503 is about 12226.9989367792. The cubic root of 149499503 is about 530.7376734080.

The spelling of 149499503 in words is "one hundred forty-nine million, four hundred ninety-nine thousand, five hundred three".