148481157 has 24 divisors (see below), whose sum is σ = 218332800. Its totient is φ = 89689600.

The previous prime is 148481153. The next prime is 148481173. The reversal of 148481157 is 751184841.

It is not a de Polignac number, because 148481157 - 2² = 148481153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148481153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162532 + ... + 163442.

It is an arithmetic number, because the mean of its divisors is an integer number (9097200).

Almost surely, 2^148481157 is an apocalyptic number.

It is an amenable number.

148481157 is a deficient number, since it is larger than the sum of its proper divisors (69851643).

148481157 is a wasteful number, since it uses less digits than its factorization.

148481157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1374 counting only the distinct ones).

The product of its digits is 35840, while the sum is 39.

The square root of 148481157 is about 12185.2844447719. The cubic root of 148481157 is about 529.5298512526.

The spelling of 148481157 in words is "one hundred forty-eight million, four hundred eighty-one thousand, one hundred fifty-seven".