157448188485 has 48 divisors (see below), whose sum is σ = 313963004160. Its totient is φ = 71499628800.

The previous prime is 157448188477. The next prime is 157448188501. The reversal of 157448188485 is 584881844751.

157448188485 is a `hidden beast` number, since 1 + 5 + 7 + 448 + 188 + 4 + 8 + 5 = 666.

It is not a de Polignac number, because 157448188485 - 2³ = 157448188477 is a prime.

It is a super-3 number, since 3×157448188485³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1607520 + ... + 1702649.

It is an arithmetic number, because the mean of its divisors is an integer number (6540895920).

Almost surely, 2^157448188485 is an apocalyptic number.

157448188485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157448188485 is a deficient number, since it is larger than the sum of its proper divisors (156514815675).

157448188485 is a wasteful number, since it uses less digits than its factorization.

157448188485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310338 (or 3310335 counting only the distinct ones).

The product of its digits is 45875200, while the sum is 63.

The spelling of 157448188485 in words is "one hundred fifty-seven billion, four hundred forty-eight million, one hundred eighty-eight thousand, four hundred eighty-five".