149044356 has 18 divisors (see below), whose sum is σ = 376751102. Its totient is φ = 49681440.

The previous prime is 149044351. The next prime is 149044361. The reversal of 149044356 is 653440941.

It is an interprime number because it is at equal distance from previous prime (149044351) and next prime (149044361).

It can be written as a sum of positive squares in only one way, i.e., 137592900 + 11451456 = 11730^2 + 3384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4140121 = 149044356 / (1 + 4 + 9 + 0 + 4 + 4 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 149044356.

It is not an unprimeable number, because it can be changed into a prime (149044351) 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 in 5 ways as a sum of consecutive naturals, for example, 2070025 + ... + 2070096.

Almost surely, 2^149044356 is an apocalyptic number.

It is an amenable number.

149044356 is an abundant number, since it is smaller than the sum of its proper divisors (227706746).

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

149044356 is a wasteful number, since it uses less digits than its factorization.

149044356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140131 (or 4140126 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 149044356 is about 12208.3723730889. The cubic root of 149044356 is about 530.1985206237.

The spelling of 149044356 in words is "one hundred forty-nine million, forty-four thousand, three hundred fifty-six".