145804742 has 8 divisors (see below), whose sum is σ = 218916432. Its totient is φ = 72832600.

The previous prime is 145804741. The next prime is 145804781. The reversal of 145804742 is 247408541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145804741) by changing a digit.

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, 32234 + ... + 36477.

It is an arithmetic number, because the mean of its divisors is an integer number (27364554).

Almost surely, 2^145804742 is an apocalyptic number.

145804742 is a deficient number, since it is larger than the sum of its proper divisors (73111690).

145804742 is a wasteful number, since it uses less digits than its factorization.

145804742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69774.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 145804742 is about 12074.9634367976. The cubic root of 145804742 is about 526.3288988626.

The spelling of 145804742 in words is "one hundred forty-five million, eight hundred four thousand, seven hundred forty-two".