149315419 has 4 divisors (see below), whose sum is σ = 162889560. Its totient is φ = 135741280.

The previous prime is 149315401. The next prime is 149315443. The reversal of 149315419 is 914513941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149315419 - 2⁷ = 149315291 is a prime.

It is a super-2 number, since 2×149315419² = 44590188702291122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149315119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6787054 + ... + 6787075.

It is an arithmetic number, because the mean of its divisors is an integer number (40722390).

Almost surely, 2^149315419 is an apocalyptic number.

149315419 is a deficient number, since it is larger than the sum of its proper divisors (13574141).

149315419 is a wasteful number, since it uses less digits than its factorization.

149315419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574140.

The product of its digits is 19440, while the sum is 37.

The square root of 149315419 is about 12219.4688509771. The cubic root of 149315419 is about 530.5197452767.

The spelling of 149315419 in words is "one hundred forty-nine million, three hundred fifteen thousand, four hundred nineteen".