151446149 has 16 divisors (see below), whose sum is σ = 166633200. Its totient is φ = 137001984.

The previous prime is 151446137. The next prime is 151446151. The reversal of 151446149 is 941644151.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17581249 + 133864900 = 4193^2 + 11570^2 .

It is not a de Polignac number, because 151446149 - 2¹⁶ = 151380613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151446109) 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 15 ways as a sum of consecutive naturals, for example, 136007 + ... + 137115.

It is an arithmetic number, because the mean of its divisors is an integer number (10414575).

Almost surely, 2^151446149 is an apocalyptic number.

It is an amenable number.

151446149 is a deficient number, since it is larger than the sum of its proper divisors (15187051).

151446149 is a wasteful number, since it uses less digits than its factorization.

151446149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its digits is 17280, while the sum is 35.

The square root of 151446149 is about 12306.3458833238. The cubic root of 151446149 is about 533.0313404478.

The spelling of 151446149 in words is "one hundred fifty-one million, four hundred forty-six thousand, one hundred forty-nine".