149773938 has 8 divisors (see below), whose sum is σ = 299547888. Its totient is φ = 49924644.

The previous prime is 149773937. The next prime is 149773963. The reversal of 149773938 is 839377941.

It is a sphenic number, since it is the product of 3 distinct primes.

149773938 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (149773931) 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, 12481156 + ... + 12481167.

It is an arithmetic number, because the mean of its divisors is an integer number (37443486).

Almost surely, 2^149773938 is an apocalyptic number.

149773938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149773938 is a wasteful number, since it uses less digits than its factorization.

149773938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962328.

The product of its digits is 1143072, while the sum is 51.

The square root of 149773938 is about 12238.2162916007. The cubic root of 149773938 is about 531.0622318103.

It can be divided in two parts, 14977 and 3938, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 149773938 in words is "one hundred forty-nine million, seven hundred seventy-three thousand, nine hundred thirty-eight".