149290319 has 4 divisors (see below), whose sum is σ = 149393280. Its totient is φ = 149187360.

The previous prime is 149290313. The next prime is 149290331. The reversal of 149290319 is 913092941.

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 149290319 - 2⁴ = 149290303 is a prime.

It is a super-2 number, since 2×149290319² = 44575198694243522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149290313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49274 + ... + 52215.

It is an arithmetic number, because the mean of its divisors is an integer number (37348320).

Almost surely, 2^149290319 is an apocalyptic number.

149290319 is a deficient number, since it is larger than the sum of its proper divisors (102961).

149290319 is a wasteful number, since it uses less digits than its factorization.

149290319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102960.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 149290319 is about 12218.4417582603. The cubic root of 149290319 is about 530.4900167287.

The spelling of 149290319 in words is "one hundred forty-nine million, two hundred ninety thousand, three hundred nineteen".