15146949 has 32 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 8819712.

The previous prime is 15146947. The next prime is 15146953. The reversal of 15146949 is 94964151.

It is not a de Polignac number, because 15146949 - 2¹ = 15146947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15146947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43227 + ... + 43575.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^15146949 is an apocalyptic number.

It is an amenable number.

15146949 is a deficient number, since it is larger than the sum of its proper divisors (7835451).

15146949 is a wasteful number, since it uses less digits than its factorization.

15146949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 38880, while the sum is 39.

The square root of 15146949 is about 3891.9081438287. The cubic root of 15146949 is about 247.4239415306.

The spelling of 15146949 in words is "fifteen million, one hundred forty-six thousand, nine hundred forty-nine".