146242645 has 8 divisors (see below), whose sum is σ = 175609656. Its totient is φ = 116915136.

The previous prime is 146242637. The next prime is 146242661. The reversal of 146242645 is 546242641.

It can be written as a sum of positive squares in 4 ways, for example, as 16305444 + 129937201 = 4038^2 + 11399^2 .

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 146242645 - 2³ = 146242637 is a prime.

It is a super-2 number, since 2×146242645² = 42773822433192050, which contains 22 as substring.

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 146242645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 17131.

It is an arithmetic number, because the mean of its divisors is an integer number (21951207).

Almost surely, 2^146242645 is an apocalyptic number.

It is an amenable number.

146242645 is a deficient number, since it is larger than the sum of its proper divisors (29367011).

146242645 is a wasteful number, since it uses less digits than its factorization.

146242645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19751.

The product of its digits is 46080, while the sum is 34.

The square root of 146242645 is about 12093.0825268002. The cubic root of 146242645 is about 526.8552892628.

The spelling of 146242645 in words is "one hundred forty-six million, two hundred forty-two thousand, six hundred forty-five".