15145049 has 2 divisors, whose sum is σ = 15145050. Its totient is φ = 15145048.

The previous prime is 15145043. The next prime is 15145087. The reversal of 15145049 is 94054151.

15145049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 2999824 = 3485^2 + 1732^2 .

It is an emirp because it is prime and its reverse (94054151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15145049 - 2⁸ = 15144793 is a prime.

It is not a weakly prime, because it can be changed into another prime (15145043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7572524 + 7572525.

It is an arithmetic number, because the mean of its divisors is an integer number (7572525).

Almost surely, 2^15145049 is an apocalyptic number.

It is an amenable number.

15145049 is a deficient number, since it is larger than the sum of its proper divisors (1).

15145049 is an equidigital number, since it uses as much as digits as its factorization.

15145049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 15145049 is about 3891.6640399706. The cubic root of 15145049 is about 247.4135956595.

The spelling of 15145049 in words is "fifteen million, one hundred forty-five thousand, forty-nine".