152978341 has 4 divisors (see below), whose sum is σ = 153319500. Its totient is φ = 152637184.

The previous prime is 152978333. The next prime is 152978351. The reversal of 152978341 is 143879251.

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 52056225 + 100922116 = 7215^2 + 10046^2 .

It is a cyclic number.

It is not a de Polignac number, because 152978341 - 2³ = 152978333 is a prime.

It is a super-2 number, since 2×152978341² = 46804745630224562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152978294 and 152978303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152978351) 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 in 3 ways as a sum of consecutive naturals, for example, 169906 + ... + 170803.

It is an arithmetic number, because the mean of its divisors is an integer number (38329875).

Almost surely, 2^152978341 is an apocalyptic number.

It is an amenable number.

152978341 is a deficient number, since it is larger than the sum of its proper divisors (341159).

152978341 is an equidigital number, since it uses as much as digits as its factorization.

152978341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341158.

The product of its digits is 60480, while the sum is 40.

The square root of 152978341 is about 12368.4413326821. The cubic root of 152978341 is about 534.8228848599.

The spelling of 152978341 in words is "one hundred fifty-two million, nine hundred seventy-eight thousand, three hundred forty-one".