15452042 has 8 divisors (see below), whose sum is σ = 23222532. Its totient is φ = 7711200.

The previous prime is 15452033. The next prime is 15452053. The reversal of 15452042 is 24025451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12666481 + 2785561 = 3559^2 + 1669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 15451999 and 15452017.

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, 6059 + ... + 8222.

Almost surely, 2^15452042 is an apocalyptic number.

15452042 is a deficient number, since it is larger than the sum of its proper divisors (7770490).

15452042 is a wasteful number, since it uses less digits than its factorization.

15452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 15452042 is about 3930.9085463796. The cubic root of 15452042 is about 249.0741326449.

Adding to 15452042 its reverse (24025451), we get a palindrome (39477493).

The spelling of 15452042 in words is "fifteen million, four hundred fifty-two thousand, forty-two".