149231606 has 8 divisors (see below), whose sum is σ = 224119920. Its totient is φ = 74524968.

The previous prime is 149231603. The next prime is 149231609. The reversal of 149231606 is 606132941.

It is an interprime number because it is at equal distance from previous prime (149231603) and next prime (149231609).

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149231603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43346 + ... + 46661.

It is an arithmetic number, because the mean of its divisors is an integer number (28014990).

Almost surely, 2^149231606 is an apocalyptic number.

149231606 is a deficient number, since it is larger than the sum of its proper divisors (74888314).

149231606 is an equidigital number, since it uses as much as digits as its factorization.

149231606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90838.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 149231606 is about 12216.0388833697. The cubic root of 149231606 is about 530.4204637830.

The spelling of 149231606 in words is "one hundred forty-nine million, two hundred thirty-one thousand, six hundred six".