151651388 has 48 divisors (see below), whose sum is σ = 321108480. Its totient is φ = 61217856.

The previous prime is 151651387. The next prime is 151651403. The reversal of 151651388 is 883156151.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151651387) 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, 104081 + ... + 105527.

It is an arithmetic number, because the mean of its divisors is an integer number (6689760).

Almost surely, 2^151651388 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 151651388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160554240).

151651388 is an abundant number, since it is smaller than the sum of its proper divisors (169457092).

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

151651388 is a wasteful number, since it uses less digits than its factorization.

151651388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 151651388 is about 12314.6818066891. The cubic root of 151651388 is about 533.2720188193.

The spelling of 151651388 in words is "one hundred fifty-one million, six hundred fifty-one thousand, three hundred eighty-eight".