148857810 has 16 divisors (see below), whose sum is σ = 357258816. Its totient is φ = 39695408.

The previous prime is 148857803. The next prime is 148857827. The reversal of 148857810 is 18758841.

It is a super-2 number, since 2×148857810² = 44317295195992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2480934 + ... + 2480993.

It is an arithmetic number, because the mean of its divisors is an integer number (22328676).

Almost surely, 2^148857810 is an apocalyptic number.

148857810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148857810 is an abundant number, since it is smaller than the sum of its proper divisors (208401006).

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

148857810 is a wasteful number, since it uses less digits than its factorization.

148857810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961937.

The product of its (nonzero) digits is 71680, while the sum is 42.

The square root of 148857810 is about 12200.7298961988. The cubic root of 148857810 is about 529.9772269793.

The spelling of 148857810 in words is "one hundred forty-eight million, eight hundred fifty-seven thousand, eight hundred ten".