149496499 has 4 divisors (see below), whose sum is σ = 150448864. Its totient is φ = 148544136.

The previous prime is 149496461. The next prime is 149496533. The reversal of 149496499 is 994694941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994694941 = 233 ⋅4269077.

It is a cyclic number.

It is not a de Polignac number, because 149496499 - 2⁷ = 149496371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149491499) 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 in 3 ways as a sum of consecutive naturals, for example, 475947 + ... + 476260.

It is an arithmetic number, because the mean of its divisors is an integer number (37612216).

Almost surely, 2^149496499 is an apocalyptic number.

149496499 is a deficient number, since it is larger than the sum of its proper divisors (952365).

149496499 is an equidigital number, since it uses as much as digits as its factorization.

149496499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952364.

The product of its digits is 2519424, while the sum is 55.

The square root of 149496499 is about 12226.8760932627. The cubic root of 149496499 is about 530.7341185541.

The spelling of 149496499 in words is "one hundred forty-nine million, four hundred ninety-six thousand, four hundred ninety-nine".