148956532389 has 16 divisors (see below), whose sum is σ = 252201536640. Its totient is φ = 85118018400.

The previous prime is 148956532349. The next prime is 148956532427. The reversal of 148956532389 is 983235659841.

148956532389 is a `hidden beast` number, since 1 + 4 + 8 + 9 + 565 + 32 + 38 + 9 = 666.

It is not a de Polignac number, because 148956532389 - 2¹¹ = 148956530341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148956532349) 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, 394064712 + ... + 394065089.

It is an arithmetic number, because the mean of its divisors is an integer number (15762596040).

Almost surely, 2^148956532389 is an apocalyptic number.

It is an amenable number.

148956532389 is a deficient number, since it is larger than the sum of its proper divisors (103245004251).

148956532389 is an equidigital number, since it uses as much as digits as its factorization.

148956532389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788129817 (or 788129811 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 148956532389 in words is "one hundred forty-eight billion, nine hundred fifty-six million, five hundred thirty-two thousand, three hundred eighty-nine".