151409232 has 120 divisors (see below), whose sum is σ = 472235400. Its totient is φ = 44964864.

The previous prime is 151409221. The next prime is 151409243. The reversal of 151409232 is 232904151.

It is an interprime number because it is at equal distance from previous prime (151409221) and next prime (151409243).

It can be written as a sum of positive squares in 4 ways, for example, as 11128896 + 140280336 = 3336^2 + 11844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151409196 and 151409205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52894 + ... + 55682.

It is an arithmetic number, because the mean of its divisors is an integer number (3935295).

Almost surely, 2^151409232 is an apocalyptic number.

151409232 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 151409232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236117700).

151409232 is an abundant number, since it is smaller than the sum of its proper divisors (320826168).

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

151409232 is a wasteful number, since it uses less digits than its factorization.

151409232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845 (or 2836 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 151409232 is about 12304.8458746951. The cubic root of 151409232 is about 532.9880257839.

The spelling of 151409232 in words is "one hundred fifty-one million, four hundred nine thousand, two hundred thirty-two".