149629319 has 4 divisors (see below), whose sum is σ = 171004944. Its totient is φ = 128253696.

The previous prime is 149629309. The next prime is 149629327. The reversal of 149629319 is 913926941.

It is a happy number.

149629319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913926941 = 41 ⋅22290901.

It is a cyclic number.

It is not a de Polignac number, because 149629319 - 2⁴ = 149629303 is a prime.

It is a super-2 number, since 2×149629319² = 44777866208807522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149629319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149629309) 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, 10687802 + ... + 10687815.

It is an arithmetic number, because the mean of its divisors is an integer number (42751236).

Almost surely, 2^149629319 is an apocalyptic number.

149629319 is a deficient number, since it is larger than the sum of its proper divisors (21375625).

149629319 is an equidigital number, since it uses as much as digits as its factorization.

149629319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375624.

The product of its digits is 104976, while the sum is 44.

The square root of 149629319 is about 12232.3063647049. The cubic root of 149629319 is about 530.8912487438.

The spelling of 149629319 in words is "one hundred forty-nine million, six hundred twenty-nine thousand, three hundred nineteen".