148428730 has 8 divisors (see below), whose sum is σ = 267171732. Its totient is φ = 59371488.

The previous prime is 148428701. The next prime is 148428737. The reversal of 148428730 is 37824841.

It can be written as a sum of positive squares in 2 ways, for example, as 142778601 + 5650129 = 11949^2 + 2377^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 148428730.

It is not an unprimeable number, because it can be changed into a prime (148428737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7421427 + ... + 7421446.

Almost surely, 2^148428730 is an apocalyptic number.

148428730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148428730 is a deficient number, since it is larger than the sum of its proper divisors (118743002).

148428730 is a wasteful number, since it uses less digits than its factorization.

148428730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842880.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 148428730 is about 12183.1330124890. The cubic root of 148428730 is about 529.4675202692.

The spelling of 148428730 in words is "one hundred forty-eight million, four hundred twenty-eight thousand, seven hundred thirty".