242453104540154 has 4 divisors (see below), whose sum is σ = 363679656810234. Its totient is φ = 121226552270076.

The previous prime is 242453104539991. The next prime is 242453104540177. The reversal of 242453104540154 is 451045401354242.

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

It can be written as a sum of positive squares in only one way, i.e., 145738133562025 + 96714970978129 = 12072205^2 + 9834377^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60613276135037 + ... + 60613276135040.

Almost surely, 2^{242453104540154} is an apocalyptic number.

242453104540154 is a deficient number, since it is larger than the sum of its proper divisors (121226552270080).

242453104540154 is a wasteful number, since it uses less digits than its factorization.

242453104540154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121226552270079.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 242453104540154 its reverse (451045401354242), we get a palindrome (693498505894396).

The spelling of 242453104540154 in words is "two hundred forty-two trillion, four hundred fifty-three billion, one hundred four million, five hundred forty thousand, one hundred fifty-four".