151722648 has 96 divisors (see below), whose sum is σ = 512328960. Its totient is φ = 39407040.

The previous prime is 151722643. The next prime is 151722653. The reversal of 151722648 is 846227151.

151722648 is a `hidden beast` number, since 1 + 5 + 1 + 7 + 2 + 2 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (151722643) and next prime (151722653).

It is a super-2 number, since 2×151722648² = 46039523832263808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151722643) 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 23 ways as a sum of consecutive naturals, for example, 8140 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (5336760).

Almost surely, 2^151722648 is an apocalyptic number.

151722648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

151722648 is an abundant number, since it is smaller than the sum of its proper divisors (360606312).

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

151722648 is a wasteful number, since it uses less digits than its factorization.

151722648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27397 (or 27390 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 151722648 is about 12317.5747612913. The cubic root of 151722648 is about 533.3555327565.

Adding to 151722648 its reverse (846227151), we get a palindrome (997949799).

The spelling of 151722648 in words is "one hundred fifty-one million, seven hundred twenty-two thousand, six hundred forty-eight".