146670745 has 8 divisors (see below), whose sum is σ = 189543816. Its totient is φ = 108310656.

The previous prime is 146670743. The next prime is 146670749. The reversal of 146670745 is 547076641.

It can be written as a sum of positive squares in 4 ways, for example, as 67081 + 146603664 = 259^2 + 12108^2 .

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 146670745 - 2¹ = 146670743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 146670698 and 146670707.

It is not an unprimeable number, because it can be changed into a prime (146670743) 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, 1128172 + ... + 1128301.

It is an arithmetic number, because the mean of its divisors is an integer number (23692977).

Almost surely, 2^146670745 is an apocalyptic number.

It is an amenable number.

146670745 is a deficient number, since it is larger than the sum of its proper divisors (42873071).

146670745 is a wasteful number, since it uses less digits than its factorization.

146670745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256491.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 146670745 is about 12110.7697938653. The cubic root of 146670745 is about 527.3688809573.

The spelling of 146670745 in words is "one hundred forty-six million, six hundred seventy thousand, seven hundred forty-five".