149436164 has 6 divisors (see below), whose sum is σ = 261513294. Its totient is φ = 74718080.

The previous prime is 149436149. The next prime is 149436167. The reversal of 149436164 is 461634941.

149436164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144192064 + 5244100 = 12008^2 + 2290^2 .

It is a super-2 number, since 2×149436164² = 44662334222069792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149436167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18679517 + ... + 18679524.

It is an arithmetic number, because the mean of its divisors is an integer number (43585549).

Almost surely, 2^149436164 is an apocalyptic number.

It is an amenable number.

149436164 is a deficient number, since it is larger than the sum of its proper divisors (112077130).

149436164 is a wasteful number, since it uses less digits than its factorization.

149436164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37359045 (or 37359043 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 149436164 is about 12224.4085337492. The cubic root of 149436164 is about 530.6627096313.

The spelling of 149436164 in words is "one hundred forty-nine million, four hundred thirty-six thousand, one hundred sixty-four".