15452051542 has 4 divisors (see below), whose sum is σ = 23178077316. Its totient is φ = 7726025770.

The previous prime is 15452051533. The next prime is 15452051603. The reversal of 15452051542 is 24515025451.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 15452051498 and 15452051507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863012884 + ... + 3863012887.

It is an arithmetic number, because the mean of its divisors is an integer number (5794519329).

Almost surely, 2^15452051542 is an apocalyptic number.

15452051542 is a deficient number, since it is larger than the sum of its proper divisors (7726025774).

15452051542 is an equidigital number, since it uses as much as digits as its factorization.

15452051542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726025773.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 15452051542 its reverse (24515025451), we get a palindrome (39967076993).

The spelling of 15452051542 in words is "fifteen billion, four hundred fifty-two million, fifty-one thousand, five hundred forty-two".