145794970 has 8 divisors (see below), whose sum is σ = 262430964. Its totient is φ = 58317984.

The previous prime is 145794967. The next prime is 145794991. The reversal of 145794970 is 79497541.

It can be written as a sum of positive squares in 2 ways, for example, as 128663649 + 17131321 = 11343^2 + 4139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145794970.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7289739 + ... + 7289758.

Almost surely, 2^145794970 is an apocalyptic number.

145794970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145794970 is a deficient number, since it is larger than the sum of its proper divisors (116635994).

145794970 is a wasteful number, since it uses less digits than its factorization.

145794970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14579504.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 145794970 is about 12074.5587911112. The cubic root of 145794970 is about 526.3171402123.

The spelling of 145794970 in words is "one hundred forty-five million, seven hundred ninety-four thousand, nine hundred seventy".