148831620 has 288 divisors, whose sum is σ = 529514496. Its totient is φ = 31046400.

The previous prime is 148831619. The next prime is 148831621. The reversal of 148831620 is 26138841.

It is an interprime number because it is at equal distance from previous prime (148831619) and next prime (148831621).

It is a super-2 number, since 2×148831620² = 44301702223648800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148831621) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2096185 + ... + 2096255.

It is an arithmetic number, because the mean of its divisors is an integer number (1838592).

Almost surely, 2^148831620 is an apocalyptic number.

148831620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148831620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264757248).

148831620 is an abundant number, since it is smaller than the sum of its proper divisors (380682876).

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

148831620 is a wasteful number, since it uses less digits than its factorization.

148831620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 148831620 is about 12199.6565525428. The cubic root of 148831620 is about 529.9461438096.

The spelling of 148831620 in words is "one hundred forty-eight million, eight hundred thirty-one thousand, six hundred twenty".