15154230542 has 32 divisors (see below), whose sum is σ = 26497484640. Its totient is φ = 6423598080.

The previous prime is 15154230529. The next prime is 15154230551. The reversal of 15154230542 is 24503245151.

It is a super-2 number, since 2×15154230542² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15154230499 and 15154230508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145103 + ... + 226634.

It is an arithmetic number, because the mean of its divisors is an integer number (828046395).

Almost surely, 2^15154230542 is an apocalyptic number.

15154230542 is a deficient number, since it is larger than the sum of its proper divisors (11343254098).

15154230542 is a wasteful number, since it uses less digits than its factorization.

15154230542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371876.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 15154230542 its reverse (24503245151), we get a palindrome (39657475693).

The spelling of 15154230542 in words is "fifteen billion, one hundred fifty-four million, two hundred thirty thousand, five hundred forty-two".