149728470 has 16 divisors (see below), whose sum is σ = 359348400. Its totient is φ = 39927584.

The previous prime is 149728441. The next prime is 149728477. The reversal of 149728470 is 74827941.

It is a happy number.

It is a super-2 number, since 2×149728470² = 44837229457081800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149728477) 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, 2495445 + ... + 2495504.

It is an arithmetic number, because the mean of its divisors is an integer number (22459275).

Almost surely, 2^149728470 is an apocalyptic number.

149728470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149728470 is an abundant number, since it is smaller than the sum of its proper divisors (209619930).

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

149728470 is a wasteful number, since it uses less digits than its factorization.

149728470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990959.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 149728470 is about 12236.3585269475. The cubic root of 149728470 is about 531.0084868537.

The spelling of 149728470 in words is "one hundred forty-nine million, seven hundred twenty-eight thousand, four hundred seventy".