148655190 has 32 divisors (see below), whose sum is σ = 357093216. Its totient is φ = 39605760.

The previous prime is 148655179. The next prime is 148655209. The reversal of 148655190 is 91556841.

It is a super-2 number, since 2×148655190² = 44196731027872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63684 + ... + 65976.

It is an arithmetic number, because the mean of its divisors is an integer number (11159163).

Almost surely, 2^148655190 is an apocalyptic number.

148655190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148655190 is an abundant number, since it is smaller than the sum of its proper divisors (208438026).

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

148655190 is a wasteful number, since it uses less digits than its factorization.

148655190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 148655190 is about 12192.4234670553. The cubic root of 148655190 is about 529.7366556917.

The spelling of 148655190 in words is "one hundred forty-eight million, six hundred fifty-five thousand, one hundred ninety".