134402245 has 8 divisors (see below), whose sum is σ = 161635320. Its totient is φ = 107286720.

The previous prime is 134402239. The next prime is 134402249. The reversal of 134402245 is 542204431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6305121 + 128097124 = 2511^2 + 11318^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 134402245 - 2³ = 134402237 is a prime.

It is a super-2 number, since 2×134402245² = 36127926922080050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26850 + ... + 31459.

It is an arithmetic number, because the mean of its divisors is an integer number (20204415).

Almost surely, 2^134402245 is an apocalyptic number.

It is an amenable number.

134402245 is a deficient number, since it is larger than the sum of its proper divisors (27233075).

134402245 is an equidigital number, since it uses as much as digits as its factorization.

134402245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 134402245 is about 11593.1982213710. The cubic root of 134402245 is about 512.2345180627.

Adding to 134402245 its reverse (542204431), we get a palindrome (676606676).

The spelling of 134402245 in words is "one hundred thirty-four million, four hundred two thousand, two hundred forty-five".