149779363 has 4 divisors (see below), whose sum is σ = 153262648. Its totient is φ = 146296080.

The previous prime is 149779319. The next prime is 149779369. The reversal of 149779363 is 363977941.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363977941 = 107 ⋅3401663.

It is a cyclic number.

It is not a de Polignac number, because 149779363 - 2²⁵ = 116224931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149779369) 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, 1741578 + ... + 1741663.

It is an arithmetic number, because the mean of its divisors is an integer number (38315662).

Almost surely, 2^149779363 is an apocalyptic number.

149779363 is a deficient number, since it is larger than the sum of its proper divisors (3483285).

149779363 is an equidigital number, since it uses as much as digits as its factorization.

149779363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483284.

The product of its digits is 857304, while the sum is 49.

The square root of 149779363 is about 12238.4379313702. The cubic root of 149779363 is about 531.0686436464.

The spelling of 149779363 in words is "one hundred forty-nine million, seven hundred seventy-nine thousand, three hundred sixty-three".