147206045749 has 16 divisors (see below), whose sum is σ = 172797294208. Its totient is φ = 122755839552.

The previous prime is 147206045717. The next prime is 147206045809. The reversal of 147206045749 is 947540602741.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 147206045749 - 2⁵ = 147206045717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147206045149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850707 + ... + 4880959.

It is an arithmetic number, because the mean of its divisors is an integer number (10799830888).

Almost surely, 2^147206045749 is an apocalyptic number.

It is an amenable number.

147206045749 is a deficient number, since it is larger than the sum of its proper divisors (25591248459).

147206045749 is a wasteful number, since it uses less digits than its factorization.

147206045749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 147206045749 in words is "one hundred forty-seven billion, two hundred six million, forty-five thousand, seven hundred forty-nine".