149550406 has 32 divisors (see below), whose sum is σ = 242172000. Its totient is φ = 69050880.

The previous prime is 149550403. The next prime is 149550409. The reversal of 149550406 is 604055941.

It is an interprime number because it is at equal distance from previous prime (149550403) and next prime (149550409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149550403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345166 + ... + 345598.

It is an arithmetic number, because the mean of its divisors is an integer number (7567875).

Almost surely, 2^149550406 is an apocalyptic number.

149550406 is a deficient number, since it is larger than the sum of its proper divisors (92621594).

149550406 is a wasteful number, since it uses less digits than its factorization.

149550406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 149550406 is about 12229.0803415465. The cubic root of 149550406 is about 530.7979034279.

The spelling of 149550406 in words is "one hundred forty-nine million, five hundred fifty thousand, four hundred six".