73103045152 has 12 divisors (see below), whose sum is σ = 143921620206. Its totient is φ = 36551522560.

The previous prime is 73103045143. The next prime is 73103045173. The reversal of 73103045152 is 25154030137.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 57578881936 + 15524163216 = 239956^2 + 124596^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142235049 + ... + 1142235112.

Almost surely, 2^73103045152 is an apocalyptic number.

It is an amenable number.

73103045152 is a deficient number, since it is larger than the sum of its proper divisors (70818575054).

73103045152 is a wasteful number, since it uses less digits than its factorization.

73103045152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284470171 (or 2284470163 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 73103045152 its reverse (25154030137), we get a palindrome (98257075289).

The spelling of 73103045152 in words is "seventy-three billion, one hundred three million, forty-five thousand, one hundred fifty-two".