151438272 has 56 divisors (see below), whose sum is σ = 403165056. Its totient is φ = 50166528.

The previous prime is 151438267. The next prime is 151438307. The reversal of 151438272 is 272834151.

It is a congruent number.

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, 29703 + ... + 34425.

It is an arithmetic number, because the mean of its divisors is an integer number (7199376).

Almost surely, 2^151438272 is an apocalyptic number.

151438272 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 151438272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201582528).

151438272 is an abundant number, since it is smaller than the sum of its proper divisors (251726784).

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

151438272 is a wasteful number, since it uses less digits than its factorization.

151438272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905 (or 4895 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 151438272 is about 12306.0258410260. The cubic root of 151438272 is about 533.0220989656.

The spelling of 151438272 in words is "one hundred fifty-one million, four hundred thirty-eight thousand, two hundred seventy-two".