74253148145 has 16 divisors (see below), whose sum is σ = 97341272640. Its totient is φ = 53926094400.

The previous prime is 74253148121. The next prime is 74253148159. The reversal of 74253148145 is 54184135247.

It is a happy number.

It is not a de Polignac number, because 74253148145 - 2²⁸ = 73984712689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74253148096 and 74253148105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913091 + ... + 991080.

It is an arithmetic number, because the mean of its divisors is an integer number (6083829540).

Almost surely, 2^74253148145 is an apocalyptic number.

It is an amenable number.

74253148145 is a deficient number, since it is larger than the sum of its proper divisors (23088124495).

74253148145 is a wasteful number, since it uses less digits than its factorization.

74253148145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904896.

The product of its digits is 537600, while the sum is 44.

The spelling of 74253148145 in words is "seventy-four billion, two hundred fifty-three million, one hundred forty-eight thousand, one hundred forty-five".