15242031454 has 16 divisors (see below), whose sum is σ = 25415994240. Its totient is φ = 6807854880.

The previous prime is 15242031449. The next prime is 15242031457. The reversal of 15242031454 is 45413024251.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242031457) 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, 9454549 + ... + 9456160.

It is an arithmetic number, because the mean of its divisors is an integer number (1588499640).

Almost surely, 2^15242031454 is an apocalyptic number.

15242031454 is a deficient number, since it is larger than the sum of its proper divisors (10173962786).

15242031454 is a wasteful number, since it uses less digits than its factorization.

15242031454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18910755.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 15242031454 in words is "fifteen billion, two hundred forty-two million, thirty-one thousand, four hundred fifty-four".