148657492390820 has 96 divisors (see below), whose sum is σ = 356985715968000. Its totient is φ = 50938614042624.

The previous prime is 148657492390807. The next prime is 148657492390843. The reversal of 148657492390820 is 28093294756841.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2234443316 + ... + 2234509844.

It is an arithmetic number, because the mean of its divisors is an integer number (3718601208000).

It is a 1-persistent number, because it is pandigital, but 2⋅148657492390820 = 297314984781640 is not.

Almost surely, 2^{148657492390820} is an apocalyptic number.

148657492390820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148657492390820 is an abundant number, since it is smaller than the sum of its proper divisors (208328223577180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148657492390820 is a wasteful number, since it uses less digits than its factorization.

148657492390820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75597 (or 75595 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 148657492390820 in words is "one hundred forty-eight trillion, six hundred fifty-seven billion, four hundred ninety-two million, three hundred ninety thousand, eight hundred twenty".