149303019 has 8 divisors (see below), whose sum is σ = 199545232. Its totient is φ = 99298080.

The previous prime is 149302997. The next prime is 149303039. The reversal of 149303019 is 910303941.

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

It is not a de Polignac number, because 149303019 - 2⁸ = 149302763 is a prime.

It is a super-2 number, since 2×149303019² = 44582782965028722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149303039) 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, 57844 + ... + 60369.

It is an arithmetic number, because the mean of its divisors is an integer number (24943154).

Almost surely, 2^149303019 is an apocalyptic number.

149303019 is a deficient number, since it is larger than the sum of its proper divisors (50242213).

149303019 is a wasteful number, since it uses less digits than its factorization.

149303019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118637.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 149303019 is about 12218.9614534133. The cubic root of 149303019 is about 530.5050590798.

The spelling of 149303019 in words is "one hundred forty-nine million, three hundred three thousand, nineteen".