149333446 has 4 divisors (see below), whose sum is σ = 224000172. Its totient is φ = 74666722.

The previous prime is 149333347. The next prime is 149333447. The reversal of 149333446 is 644333941.

It is a happy number.

149333446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 644333941 = 199 ⋅3237859.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149333447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37333360 + ... + 37333363.

It is an arithmetic number, because the mean of its divisors is an integer number (56000043).

Almost surely, 2^149333446 is an apocalyptic number.

149333446 is a deficient number, since it is larger than the sum of its proper divisors (74666726).

149333446 is an equidigital number, since it uses as much as digits as its factorization.

149333446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74666725.

The product of its digits is 93312, while the sum is 37.

The square root of 149333446 is about 12220.2064630676. The cubic root of 149333446 is about 530.5410944776.

The spelling of 149333446 in words is "one hundred forty-nine million, three hundred thirty-three thousand, four hundred forty-six".