145017294 has 16 divisors (see below), whose sum is σ = 290206800. Its totient is φ = 48310400.

The previous prime is 145017269. The next prime is 145017311. The reversal of 145017294 is 492710541.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5494 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (18137925).

Almost surely, 2^145017294 is an apocalyptic number.

145017294 is an abundant number, since it is smaller than the sum of its proper divisors (145189506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145017294 is a wasteful number, since it uses less digits than its factorization.

145017294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14355.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 145017294 is about 12042.3126516463. The cubic root of 145017294 is about 525.3796727520.

The spelling of 145017294 in words is "one hundred forty-five million, seventeen thousand, two hundred ninety-four".