147854945 has 8 divisors (see below), whose sum is σ = 202772544. Its totient is φ = 101386224.

The previous prime is 147854939. The next prime is 147854947. The reversal of 147854945 is 549458741.

It is a happy number.

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 147854945 - 2⁴ = 147854929 is a prime.

It is a super-2 number, since 2×147854945² = 43722169521906050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147854945.

It is not an unprimeable number, because it can be changed into a prime (147854947) 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, 2112179 + ... + 2112248.

It is an arithmetic number, because the mean of its divisors is an integer number (25346568).

Almost surely, 2^147854945 is an apocalyptic number.

It is an amenable number.

147854945 is a deficient number, since it is larger than the sum of its proper divisors (54917599).

147854945 is an equidigital number, since it uses as much as digits as its factorization.

147854945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224439.

The product of its digits is 806400, while the sum is 47.

The square root of 147854945 is about 12159.5618753309. The cubic root of 147854945 is about 528.7843802104.

The spelling of 147854945 in words is "one hundred forty-seven million, eight hundred fifty-four thousand, nine hundred forty-five".