151545491 has 8 divisors (see below), whose sum is σ = 155252160. Its totient is φ = 147881448.

The previous prime is 151545479. The next prime is 151545529. The reversal of 151545491 is 194545151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151545491 - 2¹⁰ = 151544467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151545431) 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 7 ways as a sum of consecutive naturals, for example, 3401 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (19406520).

Almost surely, 2^151545491 is an apocalyptic number.

151545491 is a deficient number, since it is larger than the sum of its proper divisors (3706669).

151545491 is a wasteful number, since it uses less digits than its factorization.

151545491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313.

The product of its digits is 18000, while the sum is 35.

The square root of 151545491 is about 12310.3814319460. The cubic root of 151545491 is about 533.1478633303.

The spelling of 151545491 in words is "one hundred fifty-one million, five hundred forty-five thousand, four hundred ninety-one".