151222752 has 144 divisors (see below), whose sum is σ = 463134672. Its totient is φ = 46632960.

The previous prime is 151222741. The next prime is 151222759. The reversal of 151222752 is 257222151.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151222759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327802 + ... + 328262.

It is an arithmetic number, because the mean of its divisors is an integer number (3216213).

Almost surely, 2^151222752 is an apocalyptic number.

151222752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151222752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231567336).

151222752 is an abundant number, since it is smaller than the sum of its proper divisors (311911920).

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

151222752 is a wasteful number, since it uses less digits than its factorization.

151222752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 550 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 151222752 is about 12297.2660376199. The cubic root of 151222752 is about 532.7691213877.

The spelling of 151222752 in words is "one hundred fifty-one million, two hundred twenty-two thousand, seven hundred fifty-two".