149687075 has 6 divisors (see below), whose sum is σ = 185612004. Its totient is φ = 119749640.

The previous prime is 149687051. The next prime is 149687123. The reversal of 149687075 is 570786941.

It is not a de Polignac number, because 149687075 - 2¹² = 149682979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2993717 + ... + 2993766.

It is an arithmetic number, because the mean of its divisors is an integer number (30935334).

Almost surely, 2^149687075 is an apocalyptic number.

149687075 is a deficient number, since it is larger than the sum of its proper divisors (35924929).

149687075 is an equidigital number, since it uses as much as digits as its factorization.

149687075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987493 (or 5987488 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 149687075 is about 12234.6669345757. Note that the first 3 decimals coincide. The cubic root of 149687075 is about 530.9595468796.

The spelling of 149687075 in words is "one hundred forty-nine million, six hundred eighty-seven thousand, seventy-five".