153381001 has 4 divisors (see below), whose sum is σ = 153424404. Its totient is φ = 153337600.

The previous prime is 153380999. The next prime is 153381031. The reversal of 153381001 is 100183351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34047225 + 119333776 = 5835^2 + 10924^2 .

It is a cyclic number.

It is not a de Polignac number, because 153381001 - 2¹ = 153380999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153381031) 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, 15880 + ... + 23641.

It is an arithmetic number, because the mean of its divisors is an integer number (38356101).

Almost surely, 2^153381001 is an apocalyptic number.

It is an amenable number.

153381001 is a deficient number, since it is larger than the sum of its proper divisors (43403).

153381001 is an equidigital number, since it uses as much as digits as its factorization.

153381001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43402.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 153381001 is about 12384.7083534494. The cubic root of 153381001 is about 535.2917161817.

The spelling of 153381001 in words is "one hundred fifty-three million, three hundred eighty-one thousand, one".