154023315245 has 4 divisors (see below), whose sum is σ = 184827978300. Its totient is φ = 123218652192.

The previous prime is 154023315233. The next prime is 154023315247. The reversal of 154023315245 is 542513320451.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88291585321 + 65731729924 = 297139^2 + 256382^2 .

It is a cyclic number.

It is not a de Polignac number, because 154023315245 - 2⁶ = 154023315181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154023315247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15402331520 + ... + 15402331529.

It is an arithmetic number, because the mean of its divisors is an integer number (46206994575).

Almost surely, 2^154023315245 is an apocalyptic number.

It is an amenable number.

154023315245 is a deficient number, since it is larger than the sum of its proper divisors (30804663055).

154023315245 is an equidigital number, since it uses as much as digits as its factorization.

154023315245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30804663054.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 154023315245 its reverse (542513320451), we get a palindrome (696536635696).

The spelling of 154023315245 in words is "one hundred fifty-four billion, twenty-three million, three hundred fifteen thousand, two hundred forty-five".