151611536 has 40 divisors (see below), whose sum is σ = 305631480. Its totient is φ = 72769536.

The previous prime is 151611529. The next prime is 151611541. The reversal of 151611536 is 635116151.

It can be written as a sum of positive squares in 4 ways, for example, as 6553600 + 145057936 = 2560^2 + 12044^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 151611499 and 151611508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88706 + ... + 90398.

It is an arithmetic number, because the mean of its divisors is an integer number (7640787).

Almost surely, 2^151611536 is an apocalyptic number.

151611536 is a gapful number since it is divisible by the number (16) 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 151611536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152815740).

151611536 is an abundant number, since it is smaller than the sum of its proper divisors (154019944).

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

151611536 is a wasteful number, since it uses less digits than its factorization.

151611536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1917 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 151611536 is about 12313.0636317693. The cubic root of 151611536 is about 533.2253024245.

Adding to 151611536 its reverse (635116151), we get a palindrome (786727687).

It can be divided in two parts, 1516115 and 36, that added together give a palindrome (1516151).

The spelling of 151611536 in words is "one hundred fifty-one million, six hundred eleven thousand, five hundred thirty-six".