154102145245442 has 64 divisors (see below), whose sum is σ = 236526386342400. Its totient is φ = 75283840419840.

The previous prime is 154102145245291. The next prime is 154102145245537. The reversal of 154102145245442 is 244542541201451.

It is a junction number, because it is equal to n+sod(n) for n = 154102145245393 and 154102145245402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31520174534 + ... + 31520179422.

It is an arithmetic number, because the mean of its divisors is an integer number (3695724786600).

Almost surely, 2^{154102145245442} is an apocalyptic number.

154102145245442 is a deficient number, since it is larger than the sum of its proper divisors (82424241096958).

154102145245442 is a wasteful number, since it uses less digits than its factorization.

154102145245442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9051.

The product of its (nonzero) digits is 1024000, while the sum is 44.

Adding to 154102145245442 its reverse (244542541201451), we get a palindrome (398644686446893).

The spelling of 154102145245442 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred forty-five million, two hundred forty-five thousand, four hundred forty-two".