154104461402242 has 16 divisors (see below), whose sum is σ = 250025041518840. Its totient is φ = 70814545915392.

The previous prime is 154104461402233. The next prime is 154104461402249. The reversal of 154104461402242 is 242204164401451.

It can be written as a sum of positive squares in 4 ways, for example, as 134634737574841 + 19469723827401 = 11603221^2 + 4412451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154104461402195 and 154104461402204.

It is not an unprimeable number, because it can be changed into a prime (154104461402249) 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, 12941248783 + ... + 12941260690.

Almost surely, 2^{154104461402242} is an apocalyptic number.

154104461402242 is a deficient number, since it is larger than the sum of its proper divisors (95920580116598).

154104461402242 is a wasteful number, since it uses less digits than its factorization.

154104461402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25882509717.

The product of its (nonzero) digits is 245760, while the sum is 40.

The spelling of 154104461402242 in words is "one hundred fifty-four trillion, one hundred four billion, four hundred sixty-one million, four hundred two thousand, two hundred forty-two".