15364145 has 4 divisors (see below), whose sum is σ = 18436980. Its totient is φ = 12291312.

The previous prime is 15364093. The next prime is 15364147. The reversal of 15364145 is 54146351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54146351 = 7 ⋅7735193.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 13126129 = 1496^2 + 3623^2 .

It is a cyclic number.

It is not a de Polignac number, because 15364145 - 2⁶ = 15364081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15364147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536410 + ... + 1536419.

It is an arithmetic number, because the mean of its divisors is an integer number (4609245).

Almost surely, 2^15364145 is an apocalyptic number.

It is an amenable number.

15364145 is a deficient number, since it is larger than the sum of its proper divisors (3072835).

15364145 is an equidigital number, since it uses as much as digits as its factorization.

15364145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072834.

The product of its digits is 7200, while the sum is 29.

The square root of 15364145 is about 3919.7123618960. The cubic root of 15364145 is about 248.6009586714.

The spelling of 15364145 in words is "fifteen million, three hundred sixty-four thousand, one hundred forty-five".