148431397491073 has 16 divisors (see below), whose sum is σ = 154933888352256. Its totient is φ = 141932991966480.

The previous prime is 148431397491053. The next prime is 148431397491079. The reversal of 148431397491073 is 370194793134841.

It is a cyclic number.

It is not a de Polignac number, because 148431397491073 - 2¹³ = 148431397482881 is a prime.

It is a super-2 number, since 2×148431397491073² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148431397490996 and 148431397491014.

It is not an unprimeable number, because it can be changed into a prime (148431397491079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234573840 + ... + 1234694062.

It is an arithmetic number, because the mean of its divisors is an integer number (9683368022016).

Almost surely, 2^{148431397491073} is an apocalyptic number.

It is an amenable number.

148431397491073 is a deficient number, since it is larger than the sum of its proper divisors (6502490861183).

148431397491073 is a wasteful number, since it uses less digits than its factorization.

148431397491073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136764.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 148431397491073 in words is "one hundred forty-eight trillion, four hundred thirty-one billion, three hundred ninety-seven million, four hundred ninety-one thousand, seventy-three".