151224632 has 64 divisors (see below), whose sum is σ = 321269760. Its totient is φ = 66211200.

The previous prime is 151224631. The next prime is 151224641. The reversal of 151224632 is 236422151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151224631) 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, 456707 + ... + 457037.

It is an arithmetic number, because the mean of its divisors is an integer number (5019840).

Almost surely, 2^151224632 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 151224632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160634880).

151224632 is an abundant number, since it is smaller than the sum of its proper divisors (170045128).

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

151224632 is a wasteful number, since it uses less digits than its factorization.

151224632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 560 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 151224632 is about 12297.3424771371. The cubic root of 151224632 is about 532.7713291723.

Adding to 151224632 its reverse (236422151), we get a palindrome (387646783).

The spelling of 151224632 in words is "one hundred fifty-one million, two hundred twenty-four thousand, six hundred thirty-two".