151502240 has 48 divisors (see below), whose sum is σ = 359500680. Its totient is φ = 60334080.

The previous prime is 151502231. The next prime is 151502251. The reversal of 151502240 is 42205151.

It can be written as a sum of positive squares in 4 ways, for example, as 112614544 + 38887696 = 10612^2 + 6236^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36596 + ... + 40524.

Almost surely, 2^151502240 is an apocalyptic number.

151502240 is a gapful number since it is divisible by the number (10) 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 151502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179750340).

151502240 is an abundant number, since it is smaller than the sum of its proper divisors (207998440).

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

151502240 is a wasteful number, since it uses less digits than its factorization.

151502240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185 (or 4177 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 151502240 is about 12308.6246185348. The cubic root of 151502240 is about 533.0971384685.

Adding to 151502240 its reverse (42205151), we get a palindrome (193707391).

The spelling of 151502240 in words is "one hundred fifty-one million, five hundred two thousand, two hundred forty".