151772147 has 8 divisors (see below), whose sum is σ = 158595360. Its totient is φ = 144967680.

The previous prime is 151772123. The next prime is 151772161. The reversal of 151772147 is 741277151.

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 151772147 - 2¹⁴ = 151755763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151772177) 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 7 ways as a sum of consecutive naturals, for example, 13397 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (19824420).

Almost surely, 2^151772147 is an apocalyptic number.

151772147 is a deficient number, since it is larger than the sum of its proper divisors (6823213).

151772147 is an equidigital number, since it uses as much as digits as its factorization.

151772147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9373.

The product of its digits is 13720, while the sum is 35.

The square root of 151772147 is about 12319.5838809596. The cubic root of 151772147 is about 533.4135282620.

The spelling of 151772147 in words is "one hundred fifty-one million, seven hundred seventy-two thousand, one hundred forty-seven".