147481249 has 8 divisors (see below), whose sum is σ = 155852640. Its totient is φ = 139170816.

The previous prime is 147481231. The next prime is 147481283. The reversal of 147481249 is 942184741.

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

It is a cyclic number.

It is not a de Polignac number, because 147481249 - 2⁷ = 147481121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147481349) 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 7 ways as a sum of consecutive naturals, for example, 10219 + ... + 19984.

It is an arithmetic number, because the mean of its divisors is an integer number (19481580).

Almost surely, 2^147481249 is an apocalyptic number.

147481249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

147481249 is a deficient number, since it is larger than the sum of its proper divisors (8371391).

147481249 is a wasteful number, since it uses less digits than its factorization.

147481249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30479.

The product of its digits is 64512, while the sum is 40.

The square root of 147481249 is about 12144.1858105021. The cubic root of 147481249 is about 528.3385123127.

It can be divided in two parts, 1474 and 81249, that multiplied together give a triangular number (119761026 = T₁₅₄₇₆).

The spelling of 147481249 in words is "one hundred forty-seven million, four hundred eighty-one thousand, two hundred forty-nine".