15042432454 has 16 divisors (see below), whose sum is σ = 25796340000. Its totient is φ = 6444428544.

The previous prime is 15042432451. The next prime is 15042432533. The reversal of 15042432454 is 45423424051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042432451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153579 + ... + 231670.

It is an arithmetic number, because the mean of its divisors is an integer number (1612271250).

Almost surely, 2^15042432454 is an apocalyptic number.

15042432454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15042432454 is a deficient number, since it is larger than the sum of its proper divisors (10753907546).

15042432454 is a wasteful number, since it uses less digits than its factorization.

15042432454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388047.

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 15042432454 in words is "fifteen billion, forty-two million, four hundred thirty-two thousand, four hundred fifty-four".