151531650 has 144 divisors (see below), whose sum is σ = 441043200. Its totient is φ = 37169280.

The previous prime is 151531649. The next prime is 151531651. The reversal of 151531650 is 56135151.

151531650 is a `hidden beast` number, since 1 + 5 + 1 + 5 + 3 + 1 + 650 = 666.

It is an interprime number because it is at equal distance from previous prime (151531649) and next prime (151531651).

It is not an unprimeable number, because it can be changed into a prime (151531651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 316111 + ... + 316589.

It is an arithmetic number, because the mean of its divisors is an integer number (3062800).

Almost surely, 2^151531650 is an apocalyptic number.

151531650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151531650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220521600).

151531650 is an abundant number, since it is smaller than the sum of its proper divisors (289511550).

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

151531650 is a wasteful number, since it uses less digits than its factorization.

151531650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 151531650 is about 12309.8192513132. The cubic root of 151531650 is about 533.1316316272.

The spelling of 151531650 in words is "one hundred fifty-one million, five hundred thirty-one thousand, six hundred fifty".