149404494 has 16 divisors (see below), whose sum is σ = 303708240. Its totient is φ = 48984960.

The previous prime is 149404471. The next prime is 149404499. The reversal of 149404494 is 494404941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149404499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203739 + ... + 204470.

It is an arithmetic number, because the mean of its divisors is an integer number (18981765).

Almost surely, 2^149404494 is an apocalyptic number.

149404494 is an abundant number, since it is smaller than the sum of its proper divisors (154303746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149404494 is a wasteful number, since it uses less digits than its factorization.

149404494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408275.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 149404494 is about 12223.1131059154. The cubic root of 149404494 is about 530.6252192074.

The spelling of 149404494 in words is "one hundred forty-nine million, four hundred four thousand, four hundred ninety-four".