148387428 has 36 divisors (see below), whose sum is σ = 428675520. Its totient is φ = 42396336.

The previous prime is 148387423. The next prime is 148387429. The reversal of 148387428 is 824783841.

148387428 is a `hidden beast` number, since 148 + 3 + 87 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (148387423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294168 + ... + 294671.

Almost surely, 2^148387428 is an apocalyptic number.

148387428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

148387428 is an abundant number, since it is smaller than the sum of its proper divisors (280288092).

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

148387428 is a wasteful number, since it uses less digits than its factorization.

148387428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588856 (or 588851 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 148387428 is about 12181.4378461658. The cubic root of 148387428 is about 529.4184055725.

The spelling of 148387428 in words is "one hundred forty-eight million, three hundred eighty-seven thousand, four hundred twenty-eight".