153738873 has 12 divisors (see below), whose sum is σ = 224033940. Its totient is φ = 101584896.

The previous prime is 153738863. The next prime is 153738883. The reversal of 153738873 is 378837351.

153738873 is a `hidden beast` number, since 1 + 537 + 38 + 87 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (153738863) and next prime (153738883).

It can be written as a sum of positive squares in 2 ways, for example, as 77211369 + 76527504 = 8787^2 + 8748^2 .

It is not a de Polignac number, because 153738873 - 2⁴ = 153738857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153738853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74568 + ... + 76601.

It is an arithmetic number, because the mean of its divisors is an integer number (18669495).

Almost surely, 2^153738873 is an apocalyptic number.

It is an amenable number.

153738873 is a deficient number, since it is larger than the sum of its proper divisors (70295067).

153738873 is a wasteful number, since it uses less digits than its factorization.

153738873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151288 (or 151285 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 153738873 is about 12399.1480755736. The cubic root of 153738873 is about 535.7077110355.

The spelling of 153738873 in words is "one hundred fifty-three million, seven hundred thirty-eight thousand, eight hundred seventy-three".