149940006 has 12 divisors (see below), whose sum is σ = 299940012. Its totient is φ = 49970004.

The previous prime is 149939987. The next prime is 149940023. The reversal of 149940006 is 600049941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27495 + ... + 32493.

It is an arithmetic number, because the mean of its divisors is an integer number (24995001).

Almost surely, 2^149940006 is an apocalyptic number.

149940006 is an abundant number, since it is smaller than the sum of its proper divisors (150000006).

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

149940006 is an frugal number, since it uses more digits than its factorization.

149940006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 149940006 is about 12244.9992241731. Note that the first 3 decimals coincide. The cubic root of 149940006 is about 531.2584383250.

Multiplying 149940006 by its product of nonzero digits (7776), we get a square (1165933486656 = 1079784²).

Adding to 149940006 its reverse (600049941), we get a palindrome (749989947).

The spelling of 149940006 in words is "one hundred forty-nine million, nine hundred forty thousand, six".