151445493 has 24 divisors (see below), whose sum is σ = 223307136. Its totient is φ = 98877600.

The previous prime is 151445491. The next prime is 151445531. The reversal of 151445493 is 394544151.

It is a happy number.

151445493 is a `hidden beast` number, since 1 + 514 + 4 + 54 + 93 = 666.

It is not a de Polignac number, because 151445493 - 2¹ = 151445491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151445491) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 170296 + ... + 171182.

It is an arithmetic number, because the mean of its divisors is an integer number (9304464).

Almost surely, 2^151445493 is an apocalyptic number.

It is an amenable number.

151445493 is a deficient number, since it is larger than the sum of its proper divisors (71861643).

151445493 is a wasteful number, since it uses less digits than its factorization.

151445493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265 (or 1262 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 151445493 is about 12306.3192303792. The cubic root of 151445493 is about 533.0305708253.

The spelling of 151445493 in words is "one hundred fifty-one million, four hundred forty-five thousand, four hundred ninety-three".