149099743 has 6 divisors (see below), whose sum is σ = 161451384. Its totient is φ = 137630376.

The previous prime is 149099719. The next prime is 149099779. The reversal of 149099743 is 347990941.

It is a de Polignac number, because none of the positive numbers 2^k-149099743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149099693 and 149099702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149099543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440955 + ... + 441292.

It is an arithmetic number, because the mean of its divisors is an integer number (26908564).

Almost surely, 2^149099743 is an apocalyptic number.

149099743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

149099743 is a deficient number, since it is larger than the sum of its proper divisors (12351641).

149099743 is an equidigital number, since it uses as much as digits as its factorization.

149099743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882273 (or 882260 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 149099743 is about 12210.6405646878. The cubic root of 149099743 is about 530.2641889240.

The spelling of 149099743 in words is "one hundred forty-nine million, ninety-nine thousand, seven hundred forty-three".