149432806 has 4 divisors (see below), whose sum is σ = 224149212. Its totient is φ = 74716402.

The previous prime is 149432791. The next prime is 149432809. The reversal of 149432806 is 608234941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608234941 = 1097 ⋅554453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149432809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37358200 + ... + 37358203.

It is an arithmetic number, because the mean of its divisors is an integer number (56037303).

Almost surely, 2^149432806 is an apocalyptic number.

149432806 is a deficient number, since it is larger than the sum of its proper divisors (74716406).

149432806 is an equidigital number, since it uses as much as digits as its factorization.

149432806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74716405.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 149432806 is about 12224.2711848192. The cubic root of 149432806 is about 530.6587347373.

The spelling of 149432806 in words is "one hundred forty-nine million, four hundred thirty-two thousand, eight hundred six".