149738047 has 8 divisors (see below), whose sum is σ = 153705600. Its totient is φ = 145818264.

The previous prime is 149738003. The next prime is 149738051. The reversal of 149738047 is 740837941.

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

It is not a de Polignac number, because 149738047 - 2⁷ = 149737919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149737994 and 149738012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149738087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5547 + ... + 18172.

It is an arithmetic number, because the mean of its divisors is an integer number (19213200).

Almost surely, 2^149738047 is an apocalyptic number.

149738047 is a deficient number, since it is larger than the sum of its proper divisors (3967553).

149738047 is a wasteful number, since it uses less digits than its factorization.

149738047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23885.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 149738047 is about 12236.7498544344. The cubic root of 149738047 is about 531.0198081472.

The spelling of 149738047 in words is "one hundred forty-nine million, seven hundred thirty-eight thousand, forty-seven".