14621157 has 6 divisors (see below), whose sum is σ = 21119462. Its totient is φ = 9747432.

The previous prime is 14621149. The next prime is 14621171. The reversal of 14621157 is 75112641.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 715716 = 3729^2 + 846^2 .

It is not a de Polignac number, because 14621157 - 2³ = 14621149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14621157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14621107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 812278 + ... + 812295.

Almost surely, 2^14621157 is an apocalyptic number.

It is an amenable number.

14621157 is a deficient number, since it is larger than the sum of its proper divisors (6498305).

14621157 is a wasteful number, since it uses less digits than its factorization.

14621157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624579 (or 1624576 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 14621157 is about 3823.7621526450. The cubic root of 14621157 is about 244.5272404944.

Adding to 14621157 its reverse (75112641), we get a palindrome (89733798).

The spelling of 14621157 in words is "fourteen million, six hundred twenty-one thousand, one hundred fifty-seven".