15455045 has 4 divisors (see below), whose sum is σ = 18546060. Its totient is φ = 12364032.

The previous prime is 15455009. The next prime is 15455053. The reversal of 15455045 is 54055451.

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: 54055451 = 23 ⋅2350237.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 11621281 = 1958^2 + 3409^2 .

It is a cyclic number.

It is not a de Polignac number, because 15455045 - 2¹⁶ = 15389509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15454999 and 15455017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545500 + ... + 1545509.

It is an arithmetic number, because the mean of its divisors is an integer number (4636515).

Almost surely, 2^15455045 is an apocalyptic number.

It is an amenable number.

15455045 is a deficient number, since it is larger than the sum of its proper divisors (3091015).

15455045 is an equidigital number, since it uses as much as digits as its factorization.

15455045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091014.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 15455045 is about 3931.2905005863. The cubic root of 15455045 is about 249.0902668915.

The spelling of 15455045 in words is "fifteen million, four hundred fifty-five thousand, forty-five".