151621248 has 128 divisors (see below), whose sum is σ = 426147840. Its totient is φ = 47692800.

The previous prime is 151621243. The next prime is 151621271. The reversal of 151621248 is 842126151.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (151621241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559353 + ... + 559623.

It is an arithmetic number, because the mean of its divisors is an integer number (3329280).

Almost surely, 2^151621248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151621248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213073920).

151621248 is an abundant number, since it is smaller than the sum of its proper divisors (274526592).

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

151621248 is a wasteful number, since it uses less digits than its factorization.

151621248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 151621248 is about 12313.4580033393. The cubic root of 151621248 is about 533.2366880435.

Adding to 151621248 its reverse (842126151), we get a palindrome (993747399).

The spelling of 151621248 in words is "one hundred fifty-one million, six hundred twenty-one thousand, two hundred forty-eight".