151438 has 16 divisors (see below), whose sum is σ = 269280. Its totient is φ = 62496.

The previous prime is 151433. The next prime is 151451. The reversal of 151438 is 834151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151433) by changing a digit.

151438 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (16830).

2¹⁵¹⁴³⁸ is an apocalyptic number.

151438 is a deficient number, since it is larger than the sum of its proper divisors (117842).

151438 is a wasteful number, since it uses less digits than its factorization.

151438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 480, while the sum is 22.

The square root of 151438 is about 389.1503565462. The cubic root of 151438 is about 53.3021779843.

Adding to 151438 its reverse (834151), we get a palindrome (985589).

It can be divided in two parts, 15143 and 8, that added together give a palindrome (15151).

The spelling of 151438 in words is "one hundred fifty-one thousand, four hundred thirty-eight".