148213740 has 24 divisors (see below), whose sum is σ = 414998640. Its totient is φ = 39523648.

The previous prime is 148213739. The next prime is 148213753. The reversal of 148213740 is 47312841.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 148213698 and 148213707.

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, 1235055 + ... + 1235174.

It is an arithmetic number, because the mean of its divisors is an integer number (17291610).

Almost surely, 2^148213740 is an apocalyptic number.

148213740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148213740 is an abundant number, since it is smaller than the sum of its proper divisors (266784900).

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

148213740 is a wasteful number, since it uses less digits than its factorization.

148213740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470241 (or 2470239 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 148213740 is about 12174.3065510936. The cubic root of 148213740 is about 529.2117628985.

The spelling of 148213740 in words is "one hundred forty-eight million, two hundred thirteen thousand, seven hundred forty".