148140397 has 8 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 132087744.

The previous prime is 148140389. The next prime is 148140409. The reversal of 148140397 is 793041841.

148140397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 148140397 - 2³ = 148140389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148140367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228997 + ... + 229642.

It is an arithmetic number, because the mean of its divisors is an integer number (20638800).

Almost surely, 2^148140397 is an apocalyptic number.

148140397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

148140397 is a deficient number, since it is larger than the sum of its proper divisors (16970003).

148140397 is a wasteful number, since it uses less digits than its factorization.

148140397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458675.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 148140397 is about 12171.2939739372. The cubic root of 148140397 is about 529.1244556929.

The spelling of 148140397 in words is "one hundred forty-eight million, one hundred forty thousand, three hundred ninety-seven".