149946047 has 2 divisors, whose sum is σ = 149946048. Its totient is φ = 149946046.

The previous prime is 149946023. The next prime is 149946077. The reversal of 149946047 is 740649941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149946047 - 2²² = 145751743 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149945989 and 149946007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149946077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74973023 + 74973024.

It is an arithmetic number, because the mean of its divisors is an integer number (74973024).

Almost surely, 2^149946047 is an apocalyptic number.

149946047 is a deficient number, since it is larger than the sum of its proper divisors (1).

149946047 is an equidigital number, since it uses as much as digits as its factorization.

149946047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 149946047 is about 12245.2458938153. The cubic root of 149946047 is about 531.2655729322.

The spelling of 149946047 in words is "one hundred forty-nine million, nine hundred forty-six thousand, forty-seven".