147505450 has 24 divisors (see below), whose sum is σ = 277086060. Its totient is φ = 58416000.

The previous prime is 147505399. The next prime is 147505451. The reversal of 147505450 is 54505741.

It can be written as a sum of positive squares in 6 ways, for example, as 89699841 + 57805609 = 9471^2 + 7603^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (147505451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9555 + ... + 19654.

Almost surely, 2^147505450 is an apocalyptic number.

147505450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147505450 is a deficient number, since it is larger than the sum of its proper divisors (129580610).

147505450 is a wasteful number, since it uses less digits than its factorization.

147505450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29322 (or 29317 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 147505450 is about 12145.1821723678. The cubic root of 147505450 is about 528.3674100451.

The spelling of 147505450 in words is "one hundred forty-seven million, five hundred five thousand, four hundred fifty".