148676089421 has 6 divisors (see below), whose sum is σ = 151238737422.
Its totient is φ = 146156152280.
The previous prime is 148676089417. The next prime is 148676089433. The reversal of 148676089421 is 124980676841.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 130421377321 + 18254712100 = 361139^2 + 135110^2
It is not a de Polignac number, because 148676089421 - 22 = 148676089417 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148676089411) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21351890 + ... + 21358851.
It is an arithmetic number, because the mean of its divisors is an integer number (25206456237).
Almost surely, 2148676089421 is an apocalyptic number.
It is an amenable number.
148676089421 is a deficient number, since it is larger than the sum of its proper divisors (2562648001).
148676089421 is an frugal number, since it uses more digits than its factorization.
148676089421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42710859 (or 42710800 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 56.
The spelling of 148676089421 in words is "one hundred forty-eight billion, six hundred seventy-six million, eighty-nine thousand, four hundred twenty-one".