385402153 has 4 divisors (see below), whose sum is σ = 385817940. Its totient is φ = 384986368.

The previous prime is 385402109. The next prime is 385402169. The reversal of 385402153 is 351204583.

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 212926464 + 172475689 = 14592^2 + 13133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385402153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385402183) 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, 206500 + ... + 208357.

It is an arithmetic number, because the mean of its divisors is an integer number (96454485).

Almost surely, 2^385402153 is an apocalyptic number.

It is an amenable number.

385402153 is a deficient number, since it is larger than the sum of its proper divisors (415787).

385402153 is an equidigital number, since it uses as much as digits as its factorization.

385402153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415786.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 385402153 is about 19631.6620029991. The cubic root of 385402153 is about 727.7318434597.

The spelling of 385402153 in words is "three hundred eighty-five million, four hundred two thousand, one hundred fifty-three".