152638 has 8 divisors (see below), whose sum is σ = 230832. Its totient is φ = 75696.

The previous prime is 152629. The next prime is 152639. The reversal of 152638 is 836251.

It is a happy number.

152638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106 + ... + 562.

It is an arithmetic number, because the mean of its divisors is an integer number (28854).

2¹⁵²⁶³⁸ is an apocalyptic number.

152638 is a deficient number, since it is larger than the sum of its proper divisors (78194).

152638 is a wasteful number, since it uses less digits than its factorization.

152638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 1440, while the sum is 25.

The square root of 152638 is about 390.6891347350. The cubic root of 152638 is about 53.4425971792.

Adding to 152638 its reverse (836251), we get a palindrome (988889).

The spelling of 152638 in words is "one hundred fifty-two thousand, six hundred thirty-eight".