153850538 has 4 divisors (see below), whose sum is σ = 230775810. Its totient is φ = 76925268.

The previous prime is 153850537. The next prime is 153850547. The reversal of 153850538 is 835058351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835058351 = 157 ⋅5318843.

It can be written as a sum of positive squares in only one way, i.e., 153834409 + 16129 = 12403^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (153850537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38462633 + ... + 38462636.

Almost surely, 2^153850538 is an apocalyptic number.

153850538 is a deficient number, since it is larger than the sum of its proper divisors (76925272).

153850538 is an equidigital number, since it uses as much as digits as its factorization.

153850538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76925271.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 153850538 is about 12403.6501885534. The cubic root of 153850538 is about 535.8373796597.

The spelling of 153850538 in words is "one hundred fifty-three million, eight hundred fifty thousand, five hundred thirty-eight".