149021714 has 4 divisors (see below), whose sum is σ = 223532574. Its totient is φ = 74510856.

The previous prime is 149021701. The next prime is 149021723. The reversal of 149021714 is 417120941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417120941 = 43 ⋅9700487.

It can be written as a sum of positive squares in only one way, i.e., 111408025 + 37613689 = 10555^2 + 6133^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37255427 + ... + 37255430.

Almost surely, 2^149021714 is an apocalyptic number.

149021714 is a deficient number, since it is larger than the sum of its proper divisors (74510860).

149021714 is an equidigital number, since it uses as much as digits as its factorization.

149021714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74510859.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 149021714 is about 12207.4450234273. The cubic root of 149021714 is about 530.1716709816.

The spelling of 149021714 in words is "one hundred forty-nine million, twenty-one thousand, seven hundred fourteen".