145602947 has 8 divisors (see below), whose sum is σ = 175161600. Its totient is φ = 118233864.

The previous prime is 145602937. The next prime is 145602967. The reversal of 145602947 is 749206541.

145602947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145602947 - 2⁶ = 145602883 is a prime.

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 145602947.

It is not an unprimeable number, because it can be changed into a prime (145602937) 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, 547247 + ... + 547512.

It is an arithmetic number, because the mean of its divisors is an integer number (21895200).

Almost surely, 2^145602947 is an apocalyptic number.

145602947 is a deficient number, since it is larger than the sum of its proper divisors (29558653).

145602947 is a wasteful number, since it uses less digits than its factorization.

145602947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094785.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 145602947 is about 12066.6046177042. The cubic root of 145602947 is about 526.0859722034.

The spelling of 145602947 in words is "one hundred forty-five million, six hundred two thousand, nine hundred forty-seven".