145594642 has 8 divisors (see below), whose sum is σ = 219427632. Its totient is φ = 72452100.

The previous prime is 145594639. The next prime is 145594643. The reversal of 145594642 is 246495541.

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

It is a junction number, because it is equal to n+sod(n) for n = 145594595 and 145594604.

It is not an unprimeable number, because it can be changed into a prime (145594643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172084 + ... + 172927.

It is an arithmetic number, because the mean of its divisors is an integer number (27428454).

Almost surely, 2^145594642 is an apocalyptic number.

145594642 is a deficient number, since it is larger than the sum of its proper divisors (73832990).

145594642 is a wasteful number, since it uses less digits than its factorization.

145594642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345224.

The product of its digits is 172800, while the sum is 40.

The square root of 145594642 is about 12066.2604811930. The cubic root of 145594642 is about 526.0759695966.

The spelling of 145594642 in words is "one hundred forty-five million, five hundred ninety-four thousand, six hundred forty-two".