146069749 has 16 divisors (see below), whose sum is σ = 173726208. Its totient is φ = 120212352.

The previous prime is 146069743. The next prime is 146069761. The reversal of 146069749 is 947960641.

It is a cyclic number.

It is not a de Polignac number, because 146069749 - 2³ = 146069741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146069699 and 146069708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146069741) 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, 13249 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (10857888).

Almost surely, 2^146069749 is an apocalyptic number.

It is an amenable number.

146069749 is a deficient number, since it is larger than the sum of its proper divisors (27656459).

146069749 is an equidigital number, since it uses as much as digits as its factorization.

146069749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8484.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 146069749 is about 12085.9318631209. The cubic root of 146069749 is about 526.6475817382.

The spelling of 146069749 in words is "one hundred forty-six million, sixty-nine thousand, seven hundred forty-nine".