152438401 has 4 divisors (see below), whose sum is σ = 152483332. Its totient is φ = 152393472.

The previous prime is 152438383. The next prime is 152438417. The reversal of 152438401 is 104834251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104834251 = 277 ⋅378463.

It can be written as a sum of positive squares in 2 ways, for example, as 33628401 + 118810000 = 5799^2 + 10900^2 .

It is a cyclic number.

It is not a de Polignac number, because 152438401 - 2¹³ = 152430209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152438401.

It is not an unprimeable number, because it can be changed into a prime (152408401) 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, 16920 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (38120833).

Almost surely, 2^152438401 is an apocalyptic number.

It is an amenable number.

152438401 is a deficient number, since it is larger than the sum of its proper divisors (44931).

152438401 is an equidigital number, since it uses as much as digits as its factorization.

152438401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44930.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 152438401 is about 12346.5947127133. The cubic root of 152438401 is about 534.1929205640.

The spelling of 152438401 in words is "one hundred fifty-two million, four hundred thirty-eight thousand, four hundred one".