149546047 has 8 divisors (see below), whose sum is σ = 171051552. Its totient is φ = 128076000.

The previous prime is 149546027. The next prime is 149546071. The reversal of 149546047 is 740645941.

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

It is a cyclic number.

It is not a de Polignac number, because 149546047 - 2⁷ = 149545919 is a prime.

It is a super-3 number, since 3×149546047³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149546027) 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, 897 + ... + 17317.

It is an arithmetic number, because the mean of its divisors is an integer number (21381444).

Almost surely, 2^149546047 is an apocalyptic number.

149546047 is a deficient number, since it is larger than the sum of its proper divisors (21505505).

149546047 is a wasteful number, since it uses less digits than its factorization.

149546047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17729.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 149546047 is about 12228.9021175247. The cubic root of 149546047 is about 530.7927462581.

The spelling of 149546047 in words is "one hundred forty-nine million, five hundred forty-six thousand, forty-seven".