74154245147 has 8 divisors (see below), whose sum is σ = 76630041840. Its totient is φ = 71712597600.

The previous prime is 74154245141. The next prime is 74154245161.

74154245147 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74154245147 - 2¹⁶ = 74154179611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74154245098 and 74154245107.

It is not an unprimeable number, because it can be changed into a prime (74154245141) 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, 8532872 + ... + 8541557.

It is an arithmetic number, because the mean of its divisors is an integer number (9578755230).

Almost surely, 2^74154245147 is an apocalyptic number.

74154245147 is a deficient number, since it is larger than the sum of its proper divisors (2475796693).

74154245147 is a wasteful number, since it uses less digits than its factorization.

74154245147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17074573.

The product of its digits is 627200, while the sum is 44.

The spelling of 74154245147 in words is "seventy-four billion, one hundred fifty-four million, two hundred forty-five thousand, one hundred forty-seven".