149737499 has 8 divisors (see below), whose sum is σ = 158492880. Its totient is φ = 141069600.

The previous prime is 149737487. The next prime is 149737507. The reversal of 149737499 is 994737941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149737499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149737499.

It is not an unprimeable number, because it can be changed into a prime (149737799) 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 7 ways as a sum of consecutive naturals, for example, 18332 + ... + 25209.

It is an arithmetic number, because the mean of its divisors is an integer number (19811610).

Almost surely, 2^149737499 is an apocalyptic number.

149737499 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

149737499 is a deficient number, since it is larger than the sum of its proper divisors (8755381).

149737499 is a wasteful number, since it uses less digits than its factorization.

149737499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43741.

The product of its digits is 1714608, while the sum is 53.

The square root of 149737499 is about 12236.7274628472. The cubic root of 149737499 is about 531.0191603510.

The spelling of 149737499 in words is "one hundred forty-nine million, seven hundred thirty-seven thousand, four hundred ninety-nine".