149810747 has 2 divisors, whose sum is σ = 149810748. Its totient is φ = 149810746.

The previous prime is 149810737. The next prime is 149810779. The reversal of 149810747 is 747018941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149810747 - 2²⁰ = 148762171 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (149810737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74905373 + 74905374.

It is an arithmetic number, because the mean of its divisors is an integer number (74905374).

Almost surely, 2^149810747 is an apocalyptic number.

149810747 is a deficient number, since it is larger than the sum of its proper divisors (1).

149810747 is an equidigital number, since it uses as much as digits as its factorization.

149810747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 149810747 is about 12239.7200539882. The cubic root of 149810747 is about 531.1057335231.

The spelling of 149810747 in words is "one hundred forty-nine million, eight hundred ten thousand, seven hundred forty-seven".