147649845 has 64 divisors (see below), whose sum is σ = 288078336. Its totient is φ = 63037440.

The previous prime is 147649813. The next prime is 147649847. The reversal of 147649845 is 548946741.

It is not a de Polignac number, because 147649845 - 2⁵ = 147649813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147649794 and 147649803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147649847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322857 + ... + 323313.

It is an arithmetic number, because the mean of its divisors is an integer number (4501224).

Almost surely, 2^147649845 is an apocalyptic number.

147649845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147649845 is a deficient number, since it is larger than the sum of its proper divisors (140428491).

147649845 is a wasteful number, since it uses less digits than its factorization.

147649845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 967680, while the sum is 48.

The square root of 147649845 is about 12151.1252565349. The cubic root of 147649845 is about 528.5397623904.

The spelling of 147649845 in words is "one hundred forty-seven million, six hundred forty-nine thousand, eight hundred forty-five".