151611240 has 128 divisors (see below), whose sum is σ = 499115520. Its totient is φ = 36537600.

The previous prime is 151611223. The next prime is 151611247. The reversal of 151611240 is 42116151.

It is not an unprimeable number, because it can be changed into a prime (151611247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 436747 + ... + 437093.

It is an arithmetic number, because the mean of its divisors is an integer number (3899340).

Almost surely, 2^151611240 is an apocalyptic number.

151611240 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 151611240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249557760).

151611240 is an abundant number, since it is smaller than the sum of its proper divisors (347504280).

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

151611240 is a wasteful number, since it uses less digits than its factorization.

151611240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 151611240 is about 12313.0516120091. The cubic root of 151611240 is about 533.2249554087.

Adding to 151611240 its reverse (42116151), we get a palindrome (193727391).

The spelling of 151611240 in words is "one hundred fifty-one million, six hundred eleven thousand, two hundred forty".