148077438 has 8 divisors (see below), whose sum is σ = 296154888. Its totient is φ = 49359144.

The previous prime is 148077403. The next prime is 148077443. The reversal of 148077438 is 834770841.

It is a sphenic number, since it is the product of 3 distinct primes.

148077438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 148077438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12339781 + ... + 12339792.

It is an arithmetic number, because the mean of its divisors is an integer number (37019361).

Almost surely, 2^148077438 is an apocalyptic number.

148077438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

148077438 is a wasteful number, since it uses less digits than its factorization.

148077438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24679578.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 148077438 is about 12168.7073265816. The cubic root of 148077438 is about 529.0494865697.

The spelling of 148077438 in words is "one hundred forty-eight million, seventy-seven thousand, four hundred thirty-eight".