149403334 has 4 divisors (see below), whose sum is σ = 224105004. Its totient is φ = 74701666.

The previous prime is 149403329. The next prime is 149403391. The reversal of 149403334 is 433304941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 433304941 = 113 ⋅3834557.

It is a junction number, because it is equal to n+sod(n) for n = 149403296 and 149403305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37350832 + ... + 37350835.

It is an arithmetic number, because the mean of its divisors is an integer number (56026251).

Almost surely, 2^149403334 is an apocalyptic number.

149403334 is a deficient number, since it is larger than the sum of its proper divisors (74701670).

149403334 is an equidigital number, since it uses as much as digits as its factorization.

149403334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74701669.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 149403334 is about 12223.0656547365. The cubic root of 149403334 is about 530.6238459180.

The spelling of 149403334 in words is "one hundred forty-nine million, four hundred three thousand, three hundred thirty-four".