148438190 has 16 divisors (see below), whose sum is σ = 267645600. Its totient is φ = 59273760.

The previous prime is 148438189. The next prime is 148438201. The reversal of 148438190 is 91834841.

It is a super-2 number, since 2×148438190² = 44067792500952200, which contains 22 as substring.

It is a congruent number.

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, 6401 + ... + 18380.

It is an arithmetic number, because the mean of its divisors is an integer number (16727850).

Almost surely, 2^148438190 is an apocalyptic number.

148438190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148438190 is a deficient number, since it is larger than the sum of its proper divisors (119207410).

148438190 is a wasteful number, since it uses less digits than its factorization.

148438190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25387.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 148438190 is about 12183.5212479808. The cubic root of 148438190 is about 529.4787684427.

The spelling of 148438190 in words is "one hundred forty-eight million, four hundred thirty-eight thousand, one hundred ninety".